ALPINESTARS SMX+ Boots - Black - US 9.5 / EU 44 2221019-10-44 Gussets preventing heat build-up while maintaining

preventing heat build-up while maintaining tactile contact with skin

the Frenzy SRD is compatible with RMS and RMSc mounting footprints

Frequency Response: 3Khz- 20Khz

Objective Lens Diameter: 21mm

Advanced Curvature: The Advanced Triple Curve (ATC) design of the front and back armor provides an ergonomic fit that contours to the body

ALPINESTARS SMX+ Boots - Black - US 9.5 / EU 44 2221019-10-44 Gussets preventing heat build-up while maintainingAdvanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement Flexible accordion microfiber on Achilles gives enhanced natural movement Outside entry exit has stretchable accordion panel for a close fit and ease of entry and removal. Contoured high modulus shin plate