The USWE MTB Hydro 12 L is the hydration backpack designed for those performance-oriented MTB or gravel riders who seek a premium cycling backpack that stays secure even in the most challenging terrains. Featuring the bounce-free No Dancing Monkey™ 1.2 harness system with integrated elastic straps, it does not restrict your movements or breathing while in action. The technical NDM™ buckle ensures a safer closure and a superior fit. This 12-liter backpack offers a main compartment for liquids and gear, zippered organizer pockets for tools, equipment, and food. A bonus feature includes two external attachment straps to secure your jacket or armor. The included 3-liter Elite™ hydration bladder comes with a slider opening for easy cleaning and drying. It also allows you to place ice inside the bladder under extreme conditions. The bladder is equipped with an easy-to-use Plug-n-Play coupling for secure handling and is accompanied by two hose clips to ensure secure attachment. The MTB HYDRO 12 features ergonomically shaped and ventilated shoulder straps to distribute the backpack comfortably and evenly over the shoulders. The ventilated back plate with wave-shaped padding provides optimal comfort and air circulation. The backpack also includes reflective points for better visibility at night — ensuring you don't get run over! Chest circumference: M to XL (84 - 110 cm) Total volume: 12 liters Bladder: 3 liters Dimensions: 48x23x12 cm