The Alpinestars Proton Motorbike Jacket is packed with features...

Specifications Include:

• Extensive stretch construction for the optimum blend of fit, comfort, light weight and freedom of movement
• Chassis constructed from a blend of leather and stretch fabric for comfort, durability, abrasion resistance and light weight, with a 2L waterproof membrane for proven wet weather performance
• Detachable thermal liner (100g body, 80g sleeves) allows the jacket to be configured according to the climate
• Low profile sports collar construction with soft lining for enhanced rider comfort
• Tech-Air ready and can accommodate the Tech-Air 5 or Tech-Air 3 airbag systems
• Sports body mapped fit and pre-curved sleeves for optimal riding performance
• Large direct ventilation panels on chest for optimized levels of airflow
• CE Level 2 Nucleon Flex Pro armour on shoulders and elbows
• Nucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available separately
• GP Lite shoulders with dynamic friction shield on the shoulder for enhanced impact and abrasion resistance
• Rear of the jacket is elongated for enhanced coverage when riding
• Polyamide stretch panels on arm pit, inner arms and shoulder blades for an optimized fit and performance
• Zip front closure has been engineered to be durable and easy to use
• Hook and loop waist for a secure closure
• Two front zippered pockets, two chest pockets an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables.

Alpinestars Mens Clothing Sizing Guide

Please use the conversion tables below to determine the right size for you: