The latest innovative addition to the class-leading range of Tech Boots for motocross and off-road, the Tech 3 incorporates track-proven performances technologies into an anatomically profiled performer that features protection and comfort. With a durable yet lightweight main shell, plus a range of protection features, inside and out. Alpinestars Men's Tech 3 Motocross Boots. Upper construction is made from lightweight microfiber material for flexibility, durability and abrasion resistance. Light microfiber front and rear bellow inserts offer improved comfort and flexibility in key area. This closure includes a micro-adjustable ratchet with memory and a quick release/ locking system with self-aligning design for easy, precise closure. Soft foam surrounds the ankles and collar offering comfort and shock absorbing performanc. Alpinestars' exclusive high grip rubber compound outsole provides grip and traction on various surfaces and is profiled to provide control and feel on the bike's footpegs.