ALPINESTARS SMX1-R V2 Boots - Black/White - US 5 / EU 38 2224021-12-38 Grip Donuts Great sound and increased performance

Great sound and increased performance

Precision-ground A-arm shaft manufactured from 52100 heat-treated bearing steel for improved performance and extended life

Screen printed graphics on front of t-shirt

Graves Frame slider kits are engineered on the race track for precise fitment

Injected TPU shin plate connected with the TPU medial protector panel

ALPINESTARS SMX1-R V2 Boots - Black/White - US 5 / EU 38 2224021-12-38 Grip Donuts Great sound and increased performanceThe main upper material is microfiber Tongue and rear accordion made by lightweight padded material that offer superior comfort Airflow and ventilation are improved thanks to lateral Air Intake with metallic mesh New speed lace system derived from Alpinestars MotoGP technology for improved quick precise and secure closure Higher closure system with new adjustable hook and loop closure and debossed Alpinestars logo Foam backed double density ankles