ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 11.5 / EU 46 2223017-1550-46 100 percent Content: 97% Polyester / 3%

Content: 97% Polyester / 3% Polyurethane

Cotton/Nylon ripstop fabric with a DWR coating for water resistance

Stretch-leather accordion insert on extended thumb zone and fingers for superior fit and flexibility

Accordion panels on back and elbow help movement and comfort on the bike

Tongue and rear accordion made by lightweight padded material that offer superior comfort

ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 11.5 / EU 46 2223017-1550-46 100 percent Content: 97% Polyester / 3%SMX 6 v2 Vented Boots Black Yellow US 11. 5 EU 46 Boot upper incorporates an innovative front and rear bellows and rear calf zone for superior levels of flexibility, Boot upper is constructed from microfiber for durability and abrasion resistance, Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide ranging foot profile for excellent fit and comfort, Thermoplastic Polyurethane (TPU) lateral ankle