Blue Lightweight Hydration Vest, Running Backpack with 2L Water Bladder

Super lightweight 8.5 oz hydration pack backpack with 2L water bladder. Waterproof and tear-resistant fabric, PU coated nylon hydration pack bears 25 lbs. Water backpack for hiking with 2L bladder, BPA-free, food-grade PEVA material, and hose clamp. Leakproof bite value, water flows fast and never drips on when locked. Multi-adjustable shoulder straps on hydration Pack, adjustable to 19"-34" on should straps, 2.4"-7.9"on chest strap(up & down). Hydration packs are suitable for adults. Ergonomically fits for your shoulders, chest, and waist. Soft air mesh back speeds up the air flow and makes your back cool. Running backpack bidirectional main zipper pocket for a water bladder, small storage compartments on front, two small mesh pouches for umbrella, mineral water, BlueTooth stereo, two mesh pouches on the shoulder on phone, and keys.