Hydration Backpack, Hydration Pack Hydropack, Water Backpack Insulated Backpack

100% Nylon Imported 【Professional Upgrade Design - Ergonomic】: The hydration pack backpack is lightweight and breathable, ventilated mesh padding is added to the shoulder straps, waist straps, and back area to ensure the comfort of the pack. This water backpack can meet your all-day-long hydration needs. The 3l hydration bladder backpack has 2 reflective strips and 1 reflective strap that can safeguard your riding. 【Large Water Bladder】: Insulated hydration backpack's overall capacity is 18L+3L water bladder, the water bladder is made of PEVA material and does not contain BPA. Durable, insulation, kink-free sip tube, and push-lock cushioned bite valve; Large 2-inch (5 cm) opening easy to add ice and clean and dry, just bottom up and it will dry on its own. 【Insulated Bladder Compartment】: Hiking backpack with water bladder with the special thermal insulated bladder compartment, hydration packs keep your liquids cool for up to 5 hours to guarantee that you can freely drink ice water