Tech 3 Boot Upper boot is made from innovative, microfiber material that is flexible and lightweight Light microfiber on front and rear bellows for more comfort in flexible areas Toe box is made of synthetic material for high abrasion resistance? Extended PU synthetic gaiter helps seal out water and dirt Contoured TPU calf plate, TPU higher medial plate, TPU outer lateral ankle guard and TPU heel counter provide support and resistance to impact Rear TPU gaiter patch applied on the top of the TPU calf protector for added impact resistance and comfort on the rear flex zone Injected TPU shin plate connected to the TPU medial panel Hook-and-loop upper boot closure with TPR flap for a custom fit and support TPU higher medial guard is designed with a technical texture for improved grip Biomechanical medial blade system allows a good front/rear flex to provide support and impact resistance to the ankle Ergonomic TPU triple buckle straps wrap harmoniously from the front flex medial protector to the lateral side without compromising the flex of the boot Closure system includes three polymer buckles with ratchet memory and a quick-release/locking system with self-aligning design for easy, precise closure; buckles are replaceable Innovative one-piece TPU injected dual-compound foot shell is reinforced with a metal shank inside an injected toe reinforcement Soft foam surrounds the ankle and boot collar for comfort and shock-absorbing performance Boot lining is textile for added comfort Replaceable EVA footbed with a textile lining on top Exclusive high-grip rubber sole compound replaceable outsole CE-certified to EN 13634:2010 Available in men's U.S. full sizes 5-16; check Alpinestars size charts on page ??? before ordering PLEASE NOTE: This item may ship from a warehouse closer to your location creating a quicker delivery time. Please message us if you would like a more accurate delivery time. In most cases in the lower 48 delivery will be in 1-3 business days.