A hip pack, with style. When the manufacturer of the hip pack is Osprey and the target group is mountain bikers, the result is a rather smart product. This doesn't exactly give off 90s vibes, but on the other hand, the Seral is a highly functional item. The total volume is a compact 4 liters. Made from durable 600-denier polyester (100% recycled fiber), the Seral is equipped with a hip belt suited for riding posture. The drinking tube stays in place thanks to a magnet integrated into the belt. The hydration systems easy-to-use bite valve attaches to the hip belt and stays out of the way when not in use. - Compression straps - Includes a high-quality 1.5-liter Osprey Hydraulics LT Lumbar hydration reservoir - Long drinking tube with a bite valve that can be used on the go - The back panel features Ospreys familiar AirScape structure: comfortable and more breathable than uniform fabric - Attachment point for a LED light - The main compartment includes small pockets for tools and a z