Capacity and organization - 2.9 L total capacity with two zip pockets: a flat pocket for phones and wallets and a deeper pocket for clothing. Internal mesh pockets keep tools neatly organized. Top elastic band secures a mini-pump. Weatherproof and durable - Built from high-strength nylon with a diamond-grid structure, increasing tear resistance by 30%. Heat-sealed polyester bottom and waterproof YKK zippers help keep gear dry in heavy rain. Access and hydration - Hidden front port provides easy access to charging cables or power banks. Lower elastic straps secure tools or a mini-pump. Hydration tube port for easy drinking on the move. Ultralight and road bike ready - Ultralight at 323 g, dimensions 35.6 x 17 cm. Designed for road bikes, with smooth zippers and organized storage for reliable performance. Use scenarios - Ideal for long road rides or bike touring requiring compact, organized storage. - Suitable for wet-weather rides where keeping gear dry matters. - Beneficial for training or race days where low weight and quick access to power, tools, or hydration are important.