Alpinestars Tech 5 Motocross Boots, black, size 42

The Alpinestars Tech 5 is an advanced multi-material, multi-panel construction boot that further strengthens Alpinestars line-up of class-leading motocross and off-road boots. Incorporating an innovative microfiber chassis, which is extremely durable and lightweight, a medial biomechanical pivot system for excellent levels of support and stability and extended accordion flex zones, the Tech 5 affords performance fit and high levels of comfort and durability.Features:• Upper constructed from abrasion-resistant, water-repelling microfiber with synthetic polymer on the toe box• Achilles accordion flex zones made from lightweight microfiber for superior comfort, control and support• Contoured advanced polymer core structure envelopes upper boot for structural integrity and abrasion resistance while allowing excellent levels of controlled flex• Anatomically profiled polymer shin plate for superior impact and abrasion resistance. The contoured shin plate allows for a greater range of fitment