The Traick 9L Backpack is a vest-style trail running pack designed for endurance and long-distance races. It features an adjustable bungee sternum strap for stability, shoulder strap pouches, flask pockets for quick hydration, and a zippered back pocket for organization. It supports up to a 2L hydration reservoir (not included) and includes trekking pole attachments and modular bungee cords. Made with Bluesign® approved breathable 4-way stretch mesh and includes two soft flasks and an integrated safety whistle.