Alpinestars C-1 Waterproof Pants Built for everyday riders, the C-1 Waterproof Pants deliver all-season comfort, protection and modern style. Advanced waterproofing provides dependable wet-weather performance, while the clean, contemporary silhouette balances technical function with timeless appeal. They keep riders dry and comfortable wherever the road leads. Construction: 450D polyfabric construction is durable and comfortable Waterproofing: Fixed waterproof membrane for effective and proven protection against wet weather Protection & Safety: Nucleon Flex Pro CE Level 2 knee protectors included 3-level positioning knee armor pockets Pocket for optional Bioflex hip protectors (sold separately) Approved to 17092-3:2020 as a CE Class A garment Comfort: Regular, straight fit Ergonomic knees Crotch panel without inseam Leg openings ideal for all types of boots and riding shoes Pockets: Zippered, front garage pockets and back pockets with overlapping closure Other Features: Belt loops