Alpinestars Viper Air Men's Street Motorcycle Jackets - Black/Large: Automotive. Durable 600 Denier poly-fabric and incorporating strategically positioned mesh panels 。 Windproof vest lining for high levels of comfort and weather protection 。 Removable and adjustable CE certified Bio Armor protectors in the elbows and shoulders 。 Durable 600 Denier poly-fabric and incorporating strategically positioned mesh panels. Windproof vest lining for high levels of comfort and weather protection. Removable and adjustable CE certified Bio Armor protectors in the elbows and shoulders. Chest and back pad compartments with PE comfort padding. Pre-curved sleeves and elbow accordion for increased comfort in riding position. 。 。 。