UTOBEST Running Hydration Pack Lightweight Racing Backpack 5.5 Litre With 2 Soft Flask 350ml

HYDRATION SYSTEM: UTOBEST Hydration running vest compatible with 1.5L water bladder (not included); 3 front storage pockets with zippered for phone, keys and other items; 2 elastic front pockets for easy access to hydration (2*350ml soft flask bottles included),For hydration needs during running; MAXIMUM COMFORT: The hydration running vest is adopt to premium nylon and polyester fabric ,which is Stretchy,Sweaty and breathable.Extremely light backpack, you don’t even notice there is a hydration running pack on your back; FLEXIBLE SIZING: Adjustable strap design for easy adjustment and outstanding stability,reduces bounce and ensures a great fit while running.The hydration pack suits for chest size 31.5-47.3 inch; DURABLE & SAFE: The reflective strip design and Rescue whistle enhance safety for Marathons,Trail running in dark conditions.The YKK zipper and Duraflex fastener accessories make hydration vest have a long-lasting service life; WHAT WILL YOU GET: 1*Hydration pack, 2 Soft Flask Bottles 350ml, 30-days free return and exchange service;The soft flask made with TPU material without PVC or BPA, Safe drinking, And large opening for easy filling and cleaning;