Asolo Attiva GTX Boot - Women's synthetic Heel measures approximately 5.5 inches" Active Heel Support technology offers lightweight, shock-absorbing cushioning for all-day wear Gore-Tex Sierra lining wicks away moisture and lets your feet breathe Matrix outsole with Asobrake for maximum traction downhill and on rough terrain Water-resistant suede and nylon mesh upper for durable protection Lite 2 anatomical footbed cradles the foot