Bionic Flex Knee Protector MX21 Engineered with premium fabrics that

Engineered with premium fabrics that offer lightweight

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

the Barton Riding Cargo Pants are equipped with Bio Flex knee armor for optimal impact protection

Designed to fit Alpinestars Motocross boots

the Bionic Flex Elbow Protector incorporates comfort padding with a soft-touch stretch mesh which prevents heat build-up

Bionic Flex Knee Protector MX21 Engineered with premium fabrics thatEngineered 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