Design: Waterproof GORE-TEX performance comfort membrane for increased protection and breathability Abrasion resistant weldings for long lasting durability Lace up style for a secure fit Abrasion-resistant mesh upper with moulded toe cap and external heel clip Heel and tongue pull loops for easy on and off In-Shoe Comfort: Warm and cozy fleece lining for added warmth in cold weather EVA stabilization frame for lateral stability and mid-foot support Boost™ midsole offers long lasting cushioning, energy return and high adaptability on rocky surfaces Durability & Traction: Continental™ rubber outsole for extraordinary traction in wet and dry conditions Additional Details: Made in part with recycled materials