Bionic Flex Knee Protector MX21 • Polypropylene insole with steel

• Polypropylene insole with steel shank co-injected for rigid comfort and safety

Featuring a lightweight micro ripstop and 600D poly-fabric construction for enhanced durability

the A-Supra Oscar Long Sleeve Jersey will offer the best balance between lightweight

Designed to fit Alpinestars Motocross boots

Engineered with premium fabrics that offer lightweight

Bionic Flex Knee Protector MX21 • Polypropylene insole with steelEngineered 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