ALPINESTARS SMX1-R V2 Boots - Black/Red - US 8 / EU 42 2224021-13-42 Ride 3.0 T-Shirt Leather accordion panels are still

Leather accordion panels are still present in the lower back and main flexion zones

FITMENT: Yamaha R1 2009-2014

Self-cleaning mud grooves between each tooth to prevent dirt build up

Designed to increase power on modified sportbikes

Designed specifically for younger riders

ALPINESTARS SMX1-R V2 Boots - Black/Red - US 8 / EU 42 2224021-13-42 Ride 3.0 T-Shirt Leather accordion panels are stillThe 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