Upper: Polyester fabric with nylon mesh panels for breathability and comfort; Individual Toe Pockets: Separates and strengthens toes to improve balance, agility and range of motion; Fastening: Speed lacing technology meets the needs of every foot shape, especially wider with a higher instep; Footbed: Stitch-free, 2mm polyurethane and microfiber footbed to reduce friction; EVA Arch Support: Follows the contours of the foot and reduces weight; TC-1 Rubber Sole: 4mm Vibram Performance rubber outsole for grip and protection without compromising ground feel; Weight: 10.06 oz per pair (based on EU size 42); Care Instructions: Machine wash. Air dry away from sun or heat source;