C-1 Waterproof Jacket. Built for urban road riding, the C-1 Waterproof Jacket is optimized for all-weather, all-season performance, with a fixed waterproof membrane and detachable thermal vest providing adaptable protection and comfort through changing conditions. Key Features: Climate control: Detachable 80-gram thermal vest allows the jacket to be quickly and easily adapted to the weather conditions. Ergonomic patterning: A regular-fit cut incorporates ergonomic sleeves, shaped wrist hems, and a 3D back pattern. Snap adjustment system: Snap closures and integrated adjustable components are built into the jacket for fit regulation. Soft-finish collar: The collar construction uses a soft finish against the skin. Internal waterproof compartment: An internal waterproof storage compartment is built into the jacket structure. Full Features: