ALPINESTARS SMX1-R V2 Boots - Black/Red - US 10.5 / EU 45 2224021-13-45 Standard Backpack Features a stainless steel muffler

Features a stainless steel muffler sleeve with a unique metallic black paint applied using ceramic engineering techniques to create a highly temperature-resistant finish Stainless Steel bracket Exhaust end cap is carbon fiber with an asymmetrical

Strategically positioned mesh areas for maximum comfort

90% Combed ring-spun cotton

NOTE: Features TIG welding

ALPINESTARS SMX1-R V2 Boots - Black/Red - US 10.5 / EU 45 2224021-13-45 Standard Backpack Features a stainless steel mufflerThe 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