Design: Combination durable leather and lightweight textile upper for maximum performance and durability EXO Heel System® provides a secure fit with an external heel counter In-Shoe Comfort: GORE-TEX® lining is 100% waterproof and breathable, ensuring that no water get it while sweat and moisture get out Removable OrthoLite® footbed with three layers of varying density allows for maximum cushioning as well as better heat dissipation and air circulation Ultra-lightweight PlyoGo® midsole provides comfort and optimal weight savings Durability & Traction: Vibram® 460 outsole provides long-wearing resilience and incredible grip on wet and dry surfaces Trailguard® TPU shank offers stability and protection on rough terrain Additional Details: Weight: 30 oz per pair Height: 4” 8mm offset from heel to toe with a slightly wider forefront for stability