Alpinestars Tech-8 RS Boots (12) (BLACK) Alpinestars' Tech 8 RS motocross boot takes another evolutionary step, continuing to excel as an industry-leading off-road performer with the inclusion of a new, full, inner bootie to ensure great fit and comfort together with an innovative buckle closure Combining the latest protection technology with premium materials and design this boot has unrivaled levels of safety and performance for tackling the toughest tracks, while Alpinestars' exclusive dual-density, high-grip sole is easily replaceable. With a string of U.S. and international motocross and Supercross titles to its name, the Tech 8 continues its iconic legacy.Upper constructed from a combination of full-grain leather and innovative and light microfiber that is flexible and abrasion resistant.Alpinestars inner The outsole is fully replaceable.Reinforced lateral flex zone above outward facing ankle helps prevent torsion.Contoured shin plate injected with high modulus polymer for superior impact and abrasion resistance is perforated for ventilation.Contoured calf