Features of the Louis Garneau Men's Copal II Shoe X-Comfort Zone: Ventilated expandable zone to accommodate a variety of feet widths and prevent numbness Power Zone: Increased arch support and power transfer Insole: Breathable and ventilated Double-adjustment ratchet and offset Hook-and-loop straps Patented injected fiberglass/nylon Outsole Insole: Breathable and ventilated