USWE Airborne 3 Hydration Pack - Grey/Orange. Airborne 3L is USWE's most popular lightweight race hydration pack among racers. The total pack volume of 3 liters can be easily transformed into a 2 liters by clicking off the externa l multi-pocket organizer where you carry tubes and tools. The race frame is equipped with highly-ventilated and ergonomic should er straps from the best form-fit­ ting product available in the market. The pack comes with a premium 2.0 liter Hydrapak Elite hydration bladder with a Slide-Seal top and Plug-N-Play coupling for easier handling. Main compartment with multi organizer pockets Magnetic Tube Clip: Keeps your drink tube secure and accessible High-vent foam shoulder s traps wit h ergonomic form-fit On/off external multi-pocket (1.0l) Keeps your tools and tubes in a safe position Helmet & Armor attachment points 2L Elite Hydrapak bladder included Ventilated back panel with anti-slip ridges Water resistant media pocket 8.5cm x 16cm