Aetrex Tyra Slip-OnWrap your feet in warmth throughout the colder months with the Tyra slip on. This easy to wear style features waterproof uppers to keep your feet dry and slip resistant outsoles for steady steps during the snow flurries. Details The Aetrex Orthotic System is Built In to every pair: Arch support helps to stabilize and align feet Arch support helps to relieve common foot pain & plantar fasciitis Adjustability: Hook and loop closure Upper Material: