The Santic LY Carbon Road Shoe features a breathable mesh upper that is 80% breathable for lightweight comfort. The STIFFNESS INDEX14 carbon sole provides powerful energy transfer, maximizing speed with every pedal stroke. The PEBAX backshell and reinforced heel cup enhance support and comfort, while the replaceable heel spikes increase durability. The ergonomic EVA insole provides excellent cushioning and support, reducing fatigue on long rides.