Updated floating cuff system provides lateral support & increased linear movement while locking out before hyperextension of ankle. TPU shin plate, calf guard, heel cap and full toe coverage. Patent-pending Active Lock closure system allows shin to flex with the motion of the boot with fast, easy and secure closure. Durable rubber medial and burn guard provide excellent grip and feel of the bike. Durable rubber outsole with internal steel shank. Two Instinct-style lower buckles for a secure zero heel lift fit. Improved lining material for instant step-in comfort.