GORE-TEX waterproof membrane. Exceptional breathability and waterproof performance combined with a breathable mesh and TPU upper. 100% recycled laces, webbing, breathable mesh lining and footbed cover. Bellows tongue keeps out debris while the abrasion-resistant rubber toe cap provides added protection. FloatPro Foam midsole for lightweight comfort that lasts and a rock plate for added protection. Vibram TC5+ outsole technology gives you confidence with every step from mountain trails to city streets. Made exclusively for Merrell, Vibram TC5+ delivers all-around grip, traction, and durability designed for everyday wear.