Shorts and Knickers
GTO marks the pinnacle of the Total Comfort MILLE GT line - spiritual successor to the iconic CENTO and Campionissimo Bib Shorts. It features the plushest, most responsive and breathable ASSOS insert to date, wrapped in our new frictionless, wrinkle-free paneling.
The lightest, most breathable ASSOS bib shorts to date. Engineered specifically for full-gas efforts in the hottest conditions—indoors and out—the 120-gram SUPERLÉGER is built on S9 platform using hyperlight textiles for unmatched stability and boosted ventilation.
With six years of technology developments and Assos’ most advanced race insert to date, the Equipe RS Bib Shorts S9 forges new ground, bringing unmatched stability and comfort to your most demanding speed-focused applications. These bibs employ A-Lock Engineering, Assos' new bracing system, comprising proprietary textiles and technologies working together to stabilize the shorts and secure the insert in place. The S9 generation incorporates just two panels, with a primary “butterfly” panel fully wrapping the legs and converging in the rear to form the ergoBox structure. This design effectively frames the insert in place and provides you with an ultra-comfortable wrap on your legs using our Type 441 textile, developed specifically for compressive hold and silky comfort. From here they added their unique rollBar, which mimics a race car’s anti-sway bar by using the bib straps to stabilize the insert as your weight transfers from left to right while cornering. Each strap is sewn into the seam directly above the insert, ensuring it’s under pre-loaded tension at all times. The bib straps have also been redesigned using calibrated stretch throughout, with the rear section using a single section of elastic material—folded over on itself—forming an A-frame in the back. It delivers limited vertical stretch in order to add further stability. In the front, the straps are made of a more flexible material, with an antibacterial carbon weave, to wick moisture and lay flat. Assos also focused on a single insert platform, which allowed the freedom to reassess what is most crucial to a streamlined, race-spec insert. They reduced the overall footprint to shed additional weight, employed superAir microShock foam with 3D waffle, incorporated the kraterCooler system to increase airflow up front, and took additional measures to anchor the insert at the rear with a patented horizontal stabilizer. The result? Signature Assos comfort, stabilized.
The T.Laalalaishorts_S7 are the first female-specific S7 bib shorts from Assos. After changing the game for the men, they have now developed a women’s version of these ground-breaking shorts, allowing everyone to experience Royal Comfort while on the bike. Taking everything they have learned from their S7 generation of shorts, they have created something revolutionary for the female rider who demands superior performance. With their all-new insert, a cut that improves comfort, new clasp, and enhanced bibs and back, these bib shorts are a game changer for female cyclists. These are the ASSOS women’s bib shorts that set the new standard. Taking all the technologies from their S7 generation of shorts, these are the perfect shorts for the female rider who demands the most from her apparel. THE KEY FEATURES - Female-specific S7 generation insert - Wider bibs for added comfort - Refined mono-bib - External elastic on the legs for added comfort - Made with type.439 material for increased performance - type.221 mesh material on the back for added breathability - Magnetic clasp on the mono-bib for easier closing and added comfort
GTS marks the introduction of the second generation of MILLE—an all-new bib short that builds on the iconic GT shorts’ Total Comfort formula with its plush double-layer insert and a fatigue-reducing textile. Assos engineered it for committed riders looking for added comfort during training to everyday riders seeking maximum long-distance support.
$219.99 $294.99 25% Off
The supreme compression effects of the EXO Bib Short are possible because of the use of Moovix power Lycra which provides a higher compression rate than other materials in the line. This omni-directional stretch fabric creates a micro-massaging effect on the muscles that promotes blood flow during activity and helps delay the onset of fatigue. The bib uppers are cut to be sturdy while framing the rider’s upper body as ergonomically as possible. The upper system also adds an extra level of bracing to keep the shorts in place, while laying comfortably over the back and shoulders. This ensures the top-of-the-line Cirro O.F. Chamois will stay in place next to the rider’s skin all day. Ideally suited for the cyclist who knows a high quality pair of bib shorts is one of the best investments you can make for increased comfort and performance on the bike. - AeroFix Pro bib uppers - Ametista wraps the waist with anti-electrical carbon properties - Granfondo leg panels - Illusion rear upper panel and hips - LoPro 30 used for the leg bands. - Mesh Xpansion panels behind the knee for fit and temperature regulation - Moovix compression focused leg panels - The no-profile collar takes cues from aerodynamic skin suits to decrease drag. - Revolutionary paneling supports the knee and facilitates uniform pedal stroke - Four needle flat-stitched seams - Reflective accents for visibility - Giordana’s top of the line Cirro OF chamois with aloe vera infusion
Developed with Fabian Cancellara for endurance road cycling with maximum support and ultimate comfort. Built for the long haul, technologies like low force elastic and flatlock seams ensure this short stays in place no matter how long you ride. - Inseam length 23cm / 9-inches - EXPERT LONG DISTANCE seat insert with GORE WINDSTOPPER Cup - Developed with Fabian Cancellara - Dense knit construction creates ultra soft next to skin feel to reduce chafing opaque finish - Central torso architecture keeps chamois in place - Wide and flat bibs with highly breathable material keeps short in place - Ultra-fine gauge, super stretch, durable performance with abrasion resistance - Three-point chamois anchoring system means you will never have to readjust your short while riding - Silicone leg grippers create snug fit at thigh without restricting movement - Reflective details on all sides for 360-degree visibility - Radio pocket on rear of bib - Opaque finish fabric is ultra wicking and fast drying GORE WINDSTOPPER Cup Technology: highly breathable, preformed windproof front for optimum comfort - Flatlock seams all around to create maximum comfort
Engineered for cool conditions, the MILLE GT Spring/Fall Knickers employ light insulation and extended knee coverage for long-distance comfort and protection.
Our top-selling Sorpasso Bibtight is also available in a 3/4-length version for those cool but not quite cold rides or for those of you who just like the feeling of not covering your lower leg. The fabrics are exceptionally soft, stretchy, and warm, with our Nano Flex 3G covering most of the body and panels of Nano Flex Xtra Dry covering the front, thighs, and center back. We've added reflective panels for safety and given it the most comfortable seat pad and bib strap construction we can. - Nano Flex 3G fabric for our best mix of warmth, stretchy compression, softness and water repellency - Nano Flex Xtra Dry fabric panel on upper front and thighs for extra warmth, and on back to protect from road spray - Anatomic cut to hips and knee - Lie-flat elastic bib straps
- 10.5-inch inseam (size Medium) - Articulated design ensures the perfect fit while in the riding position. - Compressive four-way stretch fabric provides ample comfort and a soft hand against the skin. - Fabric Content: MAIN: Knit 68% Nylon, 32% Elastane; UPPER: Knit 77% Nylon, 23% Spandex - Large side leg pockets are made from soft mesh to prevent over-heating at your legs while providing ample room to carry cargo. - Reflective elements increase your visibility to motorists in low-light conditions. - Silicone-infused fabric cuff provides a gentle, secure hold on the legs in order to ensure the perfect, shift-free fit. - Slim Fit feels like a second skin. - Soft mesh bib uppers with binding provide a comfortable hold and keep your gear secure with three patented hanging SWAT pockets. - Triple-density-foam Performance Body Geometry Contour Chamois is pre-molded to match the shape of the body for exceptional comfort. - UPF 50+ rating protects your skin from harmful ultraviolet rays.
$174.99 $249.99 30% Off
Lightweight bib shorts featuring the Progetto X2 Air chamois.
Train, race, and simply ride in total comfort with the MILLE GT Bib Shorts’ custom fabric blend and celebrated insert design. They’ve been treated with Assos' proven Type.429 Titanio material, which is a durable, lightly compressive textile with high elasticity, ensuring a comfortable and consistent hold on your legs while pedaling. This workhorse textile, mated with a regularFit that leans more in the direction of comfort versus race, is what defines MILLE as the go-to ASSOS shorts so many cyclists reach for day in and day out. Combine that with the plush MILLE EVO insert, equipped with 8mm of memory foam, a black 3D waffle topsheet, and now updated with their kraterCooler system to boost breathability—and you have the complete recipe for full-day comfort in the saddle. The back panel is constructed using Assos' acclaimed Y7 Frame Carrier design and Stabilizator mesh, resulting in a flat, stable structure that disappears between the shoulder blades for a smooth, supportive hold.
The GORE Force Bib Shorts+ are your new favorite bib shorts, in our most popular fabric, engineered for the perfect fit. - Full mesh bib construction for optimum fit and breathability - Quick drying material - Overlock seams add durability and minimise chafing - Silicone grip inside leg hem create snug fit without restricting movement - Raw cut hem at legs - Central torso architecture keeps chamois in place - ADVANCED High Vent seat insert with GORE® WINDSTOPPER® Cup - Radio pocket at back - Reflective logo - Inseam length 22.5 cm / 8.8 inches
Matchless performance and flawless comfort. The H.laalalaiShorts_s7 feature the best materials and the smartest female-specific design to ensure these padded cycling shorts rise to the occasion on the toughest rides. A faultless fit is more than an aspiration, it’s a basic requirement with ASSOS cycling clothing. The importance of this is highlighted in the bib-less short, with no straps to hold everything in place. Rest easy: with these carefully designed women’s cycling shorts the rider is guaranteed total comfort. Beyond the appealing clean aesthetic of the H.laalalaiShorts_s7 there are many less eye-catching features that we know are crucial. An all-new waist construction ensures the fit remains spot on however hard the ride. The Lady_S7 insert has been precisely crafted to fit the body of the female rider and moves in sync with her body throughout the ride. Even the half-leg flat grippers are a cut above, a barely-there flourish. The regularFit of the H.laalalaiShorts_s7 offers a subtle, universal cut that makes these padded cycling shorts work perfectly for all types of riding.
Bib shorts for summer riding
We made this 3/4 tight for those days when shorts aren't enough, but for which tights would be overkill, protecting your knees and providing full calf coverage. Our improved Thermal fleece fabric provides quick-drying insulation, while fewer panels and reduced seaming combine with a stretchier fabric to improve both fit and comfort. We add full PI Dry water-shedding technology to ward off splashes and light rain. Raw-edge bib straps eliminate bulk and improve comfort. Our plush ELITE Escape chamois provides reliable comfort for longer rides. - Ultra-soft Thermal fleece fabric for pedaling comfort and thermal regulation - Made with recycled material - PI Dry technology for permanent water-shedding performance - ELITE Escape 1:1 Chamois with floating top-sheet design reduces friction for all-day comfort - BioViz reflective elements for low-light visibility - Lower Panel: 56% nylon, 30% polyester, 14% Lycra elastane - Upper Panel: 75% nylon, 25% elastane - Made in Vietnam - Type: Thermal - Reflectivity: Low-light visibility
The main story of this short is the use of Castelli's renowned top-of-the-line Progetto X2 Air Seamless seat pad in an otherwise traditional short, but in fact every little detail has been obsessed over to ensure your comfort on your next long endurance ride. A great pad is useless without great fit. The seams are placed around the hip area to create a perfect shape on the bike. The Endurance Evolution fabric has a soft hand while providing good compression and excellent moisture management. And it's all held in place with the amazingly comfortable GIRO3 leg gripper. This short offers exceptional value and is ready to deliver lasting comfort on your longest rides.
$159.99 $200.00 20% Off
Meticulous Evolution The Free Aero Race 4 Bibshort is our top race short, which also means that it's insanely comfortable even if you never pin on a number. The original Free Aero Race Bibshort was first introduced over a decade ago and has logged literally millions of kilometers under the backsides of our sponsored pro riders and has been the best-selling short both in the Castelli retail collection and in our Servizio Corse custom program. Over this time the short has undergone numerous updates and improvements in the never-ending quest to create the best short we can make. While the basic concept of a minimalist workhorse pro-level comfortable race short remains, every single fabric, component, stitch and construction method has been updated and improved over time. The fourth major generation of the short features the updated Progetto X2 Air Seamless seat pad. This pad separates a soft, stretchy skin care layer that moves with your body from a generously padded cushioning layer that replicates the form of your saddle. Eight-hour rides are no problem. Of course the fabrics are premium, made to our specifications by Italy's best fabric suppliers. The Forza fabric on the inner leg features 38% Lycra content for perfect fit, while the Vortex fabric on the side panels is dimpled for aerodynamics. And it's held in place by the latest iteration of our seamless flat Giro leg gripper. - Vortex dimpled fabric on legs for aero performance - Forza fabric on inner legs with 38% Lycra content for perfect fit - Stripe mesh engineered minimalist bib construction keeps you cool - Giro4 leg gripper elastic for better grip distributed over larger area - Doppio V construction in front for increased support and comfort - Flat-lock stitching - Progetto X2 Air Seamless seat pad - 15°-35°C / 59°-95°F - Weight: 172g
$159.99 $200.00 20% Off
- Vortex dimpled fabric on legs for aero performance - Forza fabric on inner legs with 38% Lycra content for perfect fit - Stripe mesh engineered lie-flat bib strap construction keeps you cool - GIRO4 leg gripper elastic for better grip distributed over larger area - Doppio V construction in front for increased comfort - Flat-lock stitching - Progetto X2 Air Seamless Donna women’s-specific seat pad
$157.50 $210.00 25% Off
Crafted with long ride comfort at the top of the list, Pearl Izumi paired their most supportive and breathable P.R.O. Escape 1:1 Chamois with luxurious Italian P.R.O. Transfer fabric, to create a bib short that you will choose for your most important rides. Just seven carefully engineered panels are used to minimize seaming for a perfect contour to your body. Wide, laser-cut bib straps eliminate the need for additional binding for a barely there, yet supportive fit. The raw edge hems create a smooth transition from short to skin for a sleek, high performance look and feel, with a printed silicone gripper to hold it securely in place even during hard efforts. Features: - Luxurious Italian P.R.O. Transfer fabric provides balanced compression for ultimate comfort - P.R.O. Escape 1:1 Chamois with floating top sheet design delivers unmatched comfort - Seven panel design minimizes seams and maximizes body-contouring fit - Laser-cut leg openings with silicone leg grippers for a seamless transition to skin - Laser-cut bib straps provide superior next to skin comfort and a low profile feel - BioViz reflective elements for low-light visibility - 10.5" inseam
Short rides, big rides, indoor training, and everything in between—the MILLE GT Half Shorts are willing and able. To live up to their reputation of providing long-distance comfort, they’ve been treated with Assos' proven Type.429 Titanio material, which is a lightly compressive textile with high elasticity, ensuring a comfortable and consistent hold on your legs while pedaling. The insert is the plush MILLE EVO, equipped with 8mm of memory foam, a black 3D waffle topsheet, and now updated with the kraterCooler system to boost breathability.
This Pearl Izumi Men's Interval Bib Short uses more muscle-hugging Lycra than any short in Pearl's line, for a performance feel the moment you slip them on. A sophisticated, seven-panel design utilizes the stretch and support of the fabric to simplify the number of seams, allowing the short to smoothly follow your every movement. Laser-cut bib straps and hems create a seamless transition to skin and perfectly balanced support. In-R-Cool technology provides additional cooling performance as you turn up the heat and lay down the power. Equipped with our highly breathable premium ELITE Escape 1:1 Chamois for long ride comfort. Features: - ELITE Transfer In-R-Cool fabric powered by coldblack provides superior cooling and reflective sun protection - Lightweight fabric uses 34% Lycra for muscle-hugging stretch and compression - ELITE Escape 1:1 Chamois with floating top sheet design reduces friction for all day comfort - Laser cut leg openings with silicone leg grippers for a seamless transition to skin - Laser cut bib straps provide superior next to skin comfort and a low profile feel - BioViz reflective elements for low-light visibility - 10” inseam
$143.99 $180.00 20% Off
For 2019 we've made some dramatic changes. Not because Team Ineos or you were asking for it, but because we've been riding in it a ton and thinking constantly about how we could make it better. There's a new leg gripper that still features a lie-flat raw-cut edge but now has vertical silicone stripes to keep it in place without restricting stretch. The new fabric allows for better print quality for your custom team production, the same as Team Ineos will use in 2019. We've updated the seams to improve the fit and make the short look even better on the body. The revised Free Aero Race 4 Short also receives the updated Progetto X2 Air seamless seat pad featuring the softest surface fabric you've ever felt in a seat pad. You'll be glad we ignore the old saying, "If it ain't broke, don't fix it." - Vortex dimpled fabric on legs for aero performance - Forza fabric on inner legs with 38% Lycra content for perfect fit - Giro4 leg gripper elastic for better grip distributed over larger area - Doppio V construction in front for increased support and comfort - Flat-lock stitching - Progetto X2 Air Seamless seat pad
The main story of this short is the use of our renowned top-of-the-line Progetto X2 Air Seamless seat pad in an otherwise traditional short, but in fact every little detail has been obsessed over to ensure your comfort on your next long endurance ride. A great pad is useless without great fit. The seams are placed around the hip area to create a perfect shape on the bike. The Endurance Evolution fabric has a soft hand while providing good compression and excellent moisture management. And it's all held in place with the amazingly comfortable GIRO3 leg gripper. This short offers exceptional value and is ready to deliver lasting comfort on your longest rides. Endurance-level comfort for every ride with Castelli's most comfortable seat pad. - Endurance Evolution fabric provides optimum muscle support and feels drier in nearly all conditions - Anatomic cut for perfect on-bike fit - Progetto X2 Air Seamless seat pad for even greater comfort and improved airflow - GIRO3 leg grippers lie flat - Weight: 186g
$139.99 $174.99 20% Off
These bib shorts are ideal for use with leg or knee warmers, providing consistent warmth for critical areas and versatile functionality. Thermal fleece fabric provides optimal insulation and comfort Direct-Vent mesh bib provides superior ventilation Flatlock and double needle seams maximize comfort Anatomic P.R.O. Seamless 1:1 Chamois® 9" inseam [size medium] Reflective elements for low-light visibility
Adaptable, all-mountain riding shorts with a streamlined design, ultralight textiles, and comfort-boosting features. This short is a shell, does not have padding.
The UMA GT Women’s Half Shorts blend several proven textiles and construction techniques to create a truly unique pair of shorts that are as fast as they are comfortable. The precise fit comes down to the waistband design, where Assos applied their breathable, ultrasoft Aerofit material at the front, using a fold-over construction that comfortably holds the shorts in place across the abdominals. They did the same at the lower legs, adding a secure, stay-put fit with an asymmetrical hold on the thighs. Compared to the Assos Laalalai shorts, these are 2.5cm shorter in length. And in terms of the insert, they feature the lightweight, breathable S7 EVO to deliver targeted support and all-day comfort.
$138.74 $184.99 25% Off
Built out of thermal fleece fabric, this high-end 3/4 tight provides extra insulation and coverage at the knee when the weather turns cool. Thermal fleece fabric provides optimal insulation and comfort Direct-Vent mesh bib provides superior ventilation Flatlock seams provide excellent stretch and appearance Anatomic P.R.O. 1:1 Chamois® Reflective elements for low-light visibility 19" inseam length [size medium]
$131.25 $175.00 25% Off
Crafted with long ride comfort at the top of the list, Pearl Izumi paired their most supportive and breathable P.R.O. Escape 1:1® Chamois with luxurious Italian P.R.O. Transfer fabric, to create a short that you will choose for your most important rides. Just seven carefully engineered panels are used to minimize seaming for a perfect contour to your body. The raw edge hems create a smooth transition from short to skin for a sleek, high performance look and feel, with a printed silicone gripper to hold it securely in place even during hard efforts. Features: - Luxurious Italian P.R.O. Transfer fabric provides balanced compression for ultimate comfort - P.R.O. Escape 1:1 Chamois with floating top sheet design delivers unmatched comfort - Seven panel design to minimize seams and provide maximize body contour - Laser cut leg openings with silicone leg grippers for a seamless transition to skin - BioViz reflective elements for low-light visibility - 10.5" inseam
The Thrill of Competition We made this short to incorporate as much technology as possible from our top-of-the-line pro-level race shorts at a more accessible price. And although it's certainly capable of weekend racing, it's also a great comfort performance short even if you never pin on a number. The main Vortex textured fabric and the Giro4 leg gripper come straight from our top Free Aero Race 4 Bibshort, while the KISS Air2 seat pad has most of the comfort of our top seat pad but represents maximum value. The intangible part that you'll appreciate most is our knack for building in perfect fit, thanks to the Castelli pattern engineering team. This is the short that brings the best of Castelli's know-how in building comfort performance shorts into an accessible product in your cycling wardrobe. - KISS Air2 seat pad for all-day comfort - Affinity Pro Lycra fabric on inside of leg for outstanding stretch and rebound - Vortex BLC textured fabric on legs for better aerodynamics - Giro4 leg gripper with raw edge for comfort and silicone stripes for grip - Flat-lock stitching - Reflective detailing on back - Mesh straps for comfort and breathability - 15°-35°C / 59°-95°F - Weight: 173g
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