Osprey Viper 9 hydration pack.

Osprey Viper 9 hydration pack. In good condition Key features include: Hydration System: fits a bladder (not included) Storage: It has multiple pockets, including a main compartment with an organizer, a small zip pocket, and a shove-it pocket. Design: It features a LidLock system for helmet attachment and a magnetic bite valve holder. Materials: Typically made with durable materials like 210D polyester and 600D polyester. Intended Use: Suitable for cycling, trail running, and hiking.