This protector features an all-new Cell Technology divided chest protector for ultra-light weight and optimum ventilation

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

a double closure system and multi-layer reinforcements with accordion and stretch zones

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

thanks to its adjustable harness

bionic flex knee protector black red RGroup_6526021 This protector features an all-newEngineered 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