1 About capacity

5L Large Capacity: Its modest volume and 5L large capacity allow you to fill water bag easily. Consists of main water bag pocket, front water bottle pockets and 6.9 inches smartphone pocket, It also equips with exterior pockets, which you can store keys, cash, etc.

2 About material

Made of ultralight water-resistant and tear-resistant nylon, polyester lining and breathable mesh.

3 About details

comes with extendable waist strap and adjustable chest strap Mesh design, breathable and heat-generating New multi-compartment design, to meet the long-distance running and cross-country running needs High quality buckle and zipper, solid and durable

HIGH VISIBILITY TO BE SAFE: Reflective material which is quite luminous at any light ray at night ensures safe running or cycling at night.

4 Widely use

EXTENSIVE APPLICATIONS -- The waterproof and sturdy running water vest aims to accompany your trip of Jogging, Running, Marathon, Hiking, Climbing, Cycling, Walking, Backpacking, etc. NEWBOLER hydration backpack is always be there for you

About water bag

2 L water bag is optional , pass the SGS , SGS is the world's leading inspection, verification, testing and certification organization and a globally recognized benchmark for quality and integrity.

EASY DRINK

Light squeeze gives ample hydration. Drinking water by the straw directly or take it out easily without taking your running backpack off or stopping your steps. Convenient collapsible water bottle for your outdoor sports

PRACTICAL WATER BOTTLES

The folding water bottle with straw/nozzle can be frozen and chilled overnight, easily get a refreshing beverage on the hot day. Special soft hydration flask designed for daily and sports ( Recommended used temperature: 0 - 40 ℃ )

5 About color

3 colors are optional