Engineered mesh upper is lightweight & breathable PU overlays for added durability & protection in high-abrasion areas Deluxe Comfort System sockliner molds to your foot for ultimate step-in comfort Charged Cushioning midsole uses compression molded foam for ultimate responsiveness & durability Durable rubber outsole with omni-directional trail lugs for ultimate traction Built to help you hit the trails fast and light. They're comfortable, cushioned, super-durable, grippy, and give you support where you need it.