offered in three waist‑to‑shoulder sizes

With a twill outershell and aramid lining for comfort and breathability

Featuring Level 2 CELL chest armor and a super‑ventilated Nucleon CELL + Flex Hybrid back protector

TPU shifter panel

bionic flex knee protector black red RGroup_6526021 offered in three waist‑to‑shoulder sizesEngineered 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