Lightweight Running Vest Adjustable with Whistle Multi-Pocket

Features:
- Ultralight waterproof running backpack hydration pack with 1.5L bladder and two 250ml soft flasks.
- Breathable and adjustable: Soft and lightweight mesh on back and shoulder straps maximize breathability. The race vest with slide-adjustable sternum straps enhance fit and reduces bounce while running
- Lightweight: The hydration pack with shorter length delivers a close, comfortable and chafe-free fit. Reflectivity on the front and back enhance your visibility.
super pocket: Super pocket design that your water bottles, phone, keys, foods can easily stored in the front pack pockets, and bladder or other items can be held in the back one
- Multi-purpose: a pack that lets you do more than one thing: take along extra gear like flasks, water bladder, apparel, poles, or ice axes
smooth nylon zipper
- Extendable aluminium pull handle

Specifications:
- Material: Nylon and spandex
- Layer 1: waterproof nylon
- Layer 2:90% nylon,10% spandex
- Layer 3: polyester
- Capacity: 5 L
- Weight:180g

Size:
- One size: recommended chest circumference: 70-130cm

What's in the box
1 x Backpack
1 x 1.5L Bladder
2 x 250ml Soft Flasks
1 x Drwastring Bag