bionic flex knee protector black red Size:S/M providing he optimal blend of

providing he optimal blend of durability

Resilience In Low Temperatures (Below 0°C)

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

to protect the zipper and maintain the boot's flexion

bionic flex knee protector black red Size:S/M providing he optimal blend ofEngineered 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