The Alpinestars Tech 5 is an advanced multi-material, multi-panel construction boot that strengthens Alpinestars' line-up of class-leading motocross and off-road boots. It features an innovative microfiber chassis that is extremely durable and lightweight, a medial biomechanical pivot system for excellent support and stability, and extended accordion flex zones for a performance fit with high levels of comfort and durability. The upper is constructed from an innovative and lightweight microfiber material with action leather on the toe box and redesigned instep and Achilles accordion flex zones for enhanced movement.