Vibram sole Vibram Sole & Non-Slip – Vibram outsole with 4mm deep lugs offer good traction, self-cleaning and surefooted on tricky, technical terrain, it can handle any type of trail. Durable Suede & Waterproof – Mesh upper utilizes a waterproof and breathable seam-sealed membrane to keep your foot and sock dry. Rubber Toe Cap & Great Protection – The toe cap protects you from kicking. Bellows, closed-cell foam tongue keeps moisture and debris out. Lace-up closure is convenient for adjustment. The EVA Midsole & Long-Lasting – Comfort cushioning and EVA footbed is arch support and removable to customize feel on the go. Suitable for long distance hiking, wild exploration, camping, hunting, fishing, trekking, and mountaineering, and sports adventure. Professional Team & Size Selection ? Based on customer feedback and thorough research ,it is recommended to choose A HALF SIZE SMALLER THAN USUAL. Please pay particular attention to the FROM TOE TO HEEL dimension in the WANTDO SIZE SUGGESTION CHART. Should you have any question, please feel free to contact us.