Alpinestars Bio Flex Knee Guard Size:S/M Throw it on and feel

Throw it on and feel like a pro

Style: Insulated

Oversized face foam with an impenetrable layer keeps your face warm in the coldest conditions

Harmonica construction

Taking track performance to another level: meet the Supersonic undersuit

Alpinestars Bio Flex Knee Guard Size:S/M Throw it on and feelFEATURES Extremely lightweight, durable and flexible protector constructed from a breathable stretch mesh for a comfortable, close fit Elasticated top strap for a customizable fit Highly convenient and time saving slip design with elasticated hems and silicon printing to prevent slippage and to help keep the protector securely positioned Nucleon Flex Technology protectors are highly perforated and secured on the outside of the sleeve for excellent