The Frost drystar is Alpinestars' waterproof and breathable urban-styled motorcycle jacket. It has dual-layer laminated fabric and synthetic down construction for optimum warm performance in cold and wet conditions. The seamless padded main construction offers ultimate comfort. Standard delivered with highly flexible and adaptive Nucleon Flex Plus protectors. The Frost Drystar is prepared to fit the Tech-Air® 5 Airbag (sold separately).