• High quality 500ml soft flask: Made of tpu, bpa free; anti-leakage design, foldable and easy to store, easy to drink with silica gel bite valve and refill water with large opening
• Multiple pockets: Includes a large compartments for water bladder, a front pocket for cloths; a pocket for storing phone, two pockets for 500ml soft flask and other small pockets for keys, cash or other small things on the shouler strap
• Breathable & lightweight: Made of high quality cordura material and mesh material; the mesh design on the back and shoulder straps can quickly absorb sweat for maximum breathability and keeping dry
• Erfect fit: The adjustable waistband and chest strap help to fit you perfectly and prevent the backpack from moving; wide shoulder straps help to minimize the burden on the shoulders
• Multi-purpose: Our hydration vest are suitable for long slow distance running, jogging, marathon, hiking, climbing, cycling, backpacking, traveling, riding, camping; one size fits for men, women and youth