ALPINESTARS SMX+ Boots - Black - US 6 / EU 39 2221019-10-39 GP Plus Venom 1-Piece Leather Suit Extensively track- and dyno-tested

Extensively track- and dyno-tested

yet higher quality than stock replacements

Stainless steel AISI 304 header pipes

Wide heel counter with lateral ventilation extends to the ankle and is combined with a shock absorbing padded insert and self-molding ankle reinforcement

Replaceable anatomical Ethylene-Vinyl Acetate (EVA) footbed with Lycra® lining on top

ALPINESTARS SMX+ Boots - Black - US 6 / EU 39 2221019-10-39 GP Plus Venom 1-Piece Leather Suit Extensively track- and dyno-testedAdvanced 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