Merrell Men Sandals US Men Shoe Sizes Listed Full grain leather in a closed toe woven fisherman sandal style Stitching accents, instep and heel straps featuring adjustable Velcro? closures for a perfect fit Soft and comfortable lycra/neoprene full length lining, with a cushioned and contoured suede fabric topped foot bed Air Cushion? insole and Merrell's Solar? high traction and flexible outsole