The Caribee Nuke is a high visibility hydration backpack supplied with a 3L reservoir. Slim line high visibility 3L hydration backpack High visibility reflective tape on body and harness meets Australian Standards (AS/NZS) and ANSI/ISEA Includes a premium 3L PEVA hydration reservoir: Made from PEVA material that is BPA, Phthalate and PVC free Innovative fold top reservoir with slide lock closure for quick filling and easy access for cleaning Quick Release, non-leak, tube removal function allows quick and simple fitting and removal from your pack Fully insulated drink tube to help reduce external thermal effects High flow mouthpiece with "bite" on/off flow function Mouthpiece dust cover Internal insulated hydration compartment Dual shoulder duct hydration tube ports - so you can exit the tube on the left or right side of your back Action Back Extreme padded harness system provides a comfortable fit Quick Release (QR) harness system provides an added level of safety and easy removal when fitted over bulky work jackets Sternum chest strap for improved pack stability