Body Geometry sole construction and footbed: ergonomically designed and scientifically tested to boost power, increase efficiency, and reduce chance of injury by optimizing hip, knee, and foot alignment. Injection-molded nylon composite sole is engineered to be moderately stiff yet light: Stiffness Index 6.0. Lightweight Boa® S2-SV dial closure for on-the-fly micro-adjustment, backed by Boa's® Lifetime Guarantee. Synthetic upper with mesh venting for supple fit. Reflective heel elements for high visibility. Three-bolt cleat pattern fits all major road pedals. Widths available. Approximate weight: 270g (1/2 pair, size 42) The Specialized Comp Road Shoes offer the security and adjustability of the high-end Boa® road shoes, plus they're paired with a nylon sole and Body Geometry technology to deliver best-in-class performance and value.