UTOBEST Running Vest, 5L Hydration Vest Lightweight, Breathable and Sweatproof Running Backpack, Adjustable Running Hydration Vest for Trail Running Marathon Race Jogging Cycling

【5L STORAGE CAPACITY】Hydration backpack has multi-pects design with a separate bladder compartment, Two front flask pockets with secure loops, A separate zipper pocket for your cell phone, Various zipper pockets for keys, coins and other items, UTOBEST water backpack meets the different distances of running 】【0.5LB ONLY with TUBE BUCKLE】UTOBEST hydration pack is incredibly light, nearly weightless, you don’t even notice there is a running water vest on your back.

Tube buckle design secures your water tube, ensuring stability and focus during movement 】【BREATHABLE and SWEATPROOF】Experience ultimate comfort with the UTOBEST running pack, crafted from breathable and sweatproof mesh fabric and nylon.

The water backpack for running use of high-quality nylon fabric, YKK zipper, and Duraflex fastener ensures both stability and durability.

】【ERGONOMIC ADJUSTABLE FIT】UTOBEST running vest hydration adjustable strap design for easy adjustment and outstanding stability, reduces bounce and ensures a great fit while running.

The runners vest suits for chest size 31.5-47.3 inch 】【FITS 1.5L Hydration Bladder（not included)】Compatible with 1.5L bladder, supports 1-2 hour short trips.

Hydration backpack hiking features separate bladder compartment, hanging system, and front flask pockets for easy hydration, maintaining balance on the run