ALPINESTARS SMX-S Boots - Black/White - US 6.5 / EU 40 2223517-12-40 out 12-1945 Cam Chest Breather Air

12-1945 Cam Chest Breather Air Ramp Reference #'s (if avaliable):

13-9246 Silver Ignition Heavy Advance Weight Springs Reference #'s (if available): Can't find what you need

internally updated bio-mechanical inner bootie made by 3d mesh material for greater structure

Oversized 45mm wide silicon coated strap eliminates slippage

4B PRO 10" Water Resistant Hybrid Mid-Range Loudspeaker with Built-in Driver 4-Ohm

ALPINESTARS SMX-S Boots - Black/White - US 6.5 / EU 40 2223517-12-40 out 12-1945 Cam Chest Breather AirDurable microfiber upper construction that has superb flexibility and a comfortable feel Ergonomic new forefront boot shape is streamlined to better control and feel of the motorcycle controls Thermoplastic Polyurethane (TPU) shin plate protector is race developed for superior impact and abrasion resistance Lateral Thermoplastic Rubbery (TPR) injected ankle support construction provides superior comfort and impact resistance TPU double density ankle