Features a durable, semi-rigid shell that helps support the limb while providing full-shell protection SoftStrike technology absorbs and dissipates shock, while the lightweight and lab-tested rocker sole combine to encourage a natural gait Overlapping Duplex air cells line the shell providing intermittent pneumatic compression for 3-times faster edema reduction Designed with a sleek, open-frame that provides ventilation; Non-marking, skid resistant rubber tread allows for greater traction and longer wear Universal fit allows the Aircast AirSelect to be worn on either the left or right foot.Liner: Nylon/Polyurethane/Polyester (Outer/Foam /Inner mesh) https://www.amazon.ca/Aircast-AirSelect-Short-Walker-Walking/dp/B00ZL3190Q/ref=pd_lpo_1?pd_rd_i=B00ZL3190Q&psc=1 Pickup near Uptown mall