Alpinestars Tech 7 Boots (White 8 42) - Full-grain leather with impact and abrasion-resistant PU shell. Toes, foot, ankle and lower leg are protected by TPU guards. Toe box area features a unique dual-injection process that provides increased flexibility and impact protection. Closure system features four aluminum buckles with memory feature for quick-release locking system with self-aligning design for quick, easy closure. TPU rubber gaiter at top of the boot seals out the elements. Shin plate protector is injected with high modulus PU for impact and abrasion protection. Contoured calf protector plate is injected with PU for additional impact and abrasion protection. Outsole design is based on our Tech 10 boot, features high-grip rubber dual-density compound outsole with replaceable sole. Inner side of the boot is designed with dual-compound PU for improved grip. Achilles flex zones for superior comfort, control and support.