Pro Twist Lacing: The strongest, easiest, and most secure lacing system on the market. The Pro uses a simple twist dial and ultra strong cable, routed through reenforced eyelets for a bomb proof fit that stays tight all day long. To tighten, simply twist the dial until you've reached your desired fit and the cable will lock firmly in place. To release, simply pull out on the dial to unlock the cable.
Liner: Thermofit Heat Moldable Get the perfect fit from your boots, eliminate pressure points, and ride in comfort all day! The heat mold liner allows the boot to adapt to every curve of your foot perfectly. The APX is simply one of the best fitting, and most comfortable boots on the market.