Lightweight wraparound shin plate with a large tibia protector injected with high-impact polyurethane Polyurethane-injected rear spine plate Patented ankle-brace system with shock-absorbing padding on the outside ankle Synthetic inside leg insert increases lateral support and protection Leather and Lorica instep bellow with an abrasion-resistant patch on the outside of the ball of the foot Replaceable anatomic footbed Leather upper Alpinestars exclusive double durometer rubber sole with high-grip, rough-terrain design Toe-to-heel protection, including a stamped steel shank Three high-impact-resistant technopolymer buckles with memory featuring an integrated quick-release locking system Top closure is reversed Top of the boot is sealed with a hook-and-loop closure strap connected to elastic stretch leather Polyester mesh lining with padded foam Extended gaiter and sealed seams.