ALPINESTARS SMX-6 v2 Drystar® Boots - Black/Red - US 9.5 / EU 44 2243017-1030-44 Ageless Crew Fleece Feature advanced acoustical tuning technologies

Feature advanced acoustical tuning technologies for a deep rumbling sound Come with 3" cores encased in proprietary Cobra sound tuning materials with specific acoustical dampening and thermal insulation properties The frequency and location of the perforation patterns in the high-flo cores creates significant sound scattering in the mid frequencies

Pleated design provides increased air-flow and high filtration

use O² adapter PART #1861-0524 Requires a DC 12 V battery

Waist adjustment for improved riding fit

Large 15” x 12” top surface is coated with thick

ALPINESTARS SMX-6 v2 Drystar® Boots - Black/Red - US 9.5 / EU 44 2243017-1030-44 Ageless Crew Fleece Feature advanced acoustical tuning technologiesBoot 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