Sidi's super light Wire SP Carbon Shoes are 100% pure performance with zero compromise, and are the go-to shoes for pros and serious riders everywhere. They give you the perfect fit with peerless pedaling efficiency and comfort. Power transfer is unsurpassed with hand-made carbon soles. Comfort comes in the form of the Tecno 3 closure system that uses a supple, low-friction wire for perfectly even pressure distribution across your foot. The micro-ratcheting buckles allow easy one-click adjustment in either direction, for simple fine-tuning on the fly. Sidi's Soft Instep Closure and Adjustable Heel Retention Device provide a truly custom feel while the breathable Lorica uppers keep your feet cool and dry. Snug ’em up, and you’re ready to throw down.