Louis Garneau Women's Ventilator 2 Road Cycling Shoes All Color-All Sizes fabric-and-synthetic Ergo Air Carbon Composite outsole with patented multivent system: Provides excellent rigidity and increased ventilation HRS-80: Provides heel support Velcro closure straps: Easy to adjust Offset straps: Provide effective heel support Synthetic leather and cycling mesh upper: Provides comfort, good support and breathability