 - Shoe Technology: X-Comfort Zone - Shoes Weight: 0.0oz / 000g (size 00) - Outsole: Patented Ergo Air injected nylon/fiberglass; extremely ventilated - Insole: Breathable, ventilated - Heel Retention: HRS-00: Maintains heel positioning and comfort - Closure System: Double hook-and-loop straps for easy transitions Garneau 