breathable and moisture wicking knit fabric to provide comfort inside Alpinestars boots

thanks to its adjustable harness

plus an Enduro-specific high-grip double-density sole

The jacket features convenient details like a back hump niche while the pre-curved design offers an exceptional fit in the riding position

offered in three waist‑to‑shoulder sizes

bionic flex knee protector black red RGroup_6526021 breathable and moisture wicking knitEngineered for off road riders, the Bionic Flex Knee Protectors are Alpinestars MX knee protectors delivering flexible, ventilated impact protection for motocross. Featuring highly perforated Nucleon Flex Technology protectors externally on a breathable stretch mesh sleeve, they are CE certified to EN 1621 1: 2012 Level 1, with an elasticated top strap and silicone hems for secure positioning, improved ventilation, and unrestricted movement, plus an