Sockliner: Molded sockliner to enhance comfort and fit. Mesh and synthetic upper for lightweight and comfort. Midsole: Lightweight EVA midsole for long term cushioning. Lining: GORE-TEX Extended Comfort Footwear. Hit the slopes and explore nature wearing the adidas Outdoor Terrex AX4 shoes. Mesh and synthetic upper. Textile lining and removable insole. Lace-up closure. Perforated detail on the upper. Almond toe. Pull tab on the collar. adidas Outdoor logo detail on the sides. Dual density EVA midsole. Continental rubber outsole.