The Radium Denim from Alpinestars is a sporty urban jeans that combines cutting edge protection with a regular fit. Made from durable stretch Cordura denim. Just like any casual jeans, this motorcycle jeans has 5 pockets. standard equipped with Alpinestars Bioflex protectors on the knees. These protectors are flexible, almost invisible and practically not perceptible. This way, these motorcycle jeans are comfortable on and off the bike. If more protection is desired, you can expand with the Bioflex hip protectors.