ALPINESTARS SMX-6 v2 Drystar® Boots - Black - US 6 / EU 39 2243017-10-39 Quantum-X Steel Helmet Muffler body has proprietary technology

Muffler body has proprietary technology to prevent bluing making this slip-on virtually blue proof

Anti-tampering welded dB Killer and double-perforated inner plate

Closed handguard with aluminum bar and bracelets

Aluminum cover helps dissipate added heat from engine oil

ALPINESTARS SMX-6 v2 Drystar® Boots - Black - US 6 / EU 39 2243017-10-39 Quantum-X Steel Helmet Muffler body has proprietary technologyBoot upper incorporates an innovative front and rear bellows and rear calf zone for higher 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 Alpinestars innovative TPU lateral ankle brace provides a biomechanical support between the lateral