Breathable mesh and TPU upper Padded collar 100% recycled mesh lining, laces, webbing and mesh footbed Super Rebound Compound provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot with a rock plate 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.