Alpinestars Bio Flex Knee Guard Plytix ensuring maximum airflow and keeping

ensuring maximum airflow and keeping the rider cool

meaning these shorts won't shift around while pedaling

the Proteus will have you covered

Proven in some of the most demanding conditions by some of the worlds top motocross athletes

Alpinestars Bio Flex Knee Guard Plytix ensuring maximum airflow and keepingFEATURES 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