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

• PREMIUM MATERIAL: Made of firm, breathable, light and durable material.

• MULTI-FUNCTIONAL POCKETS: Enough pockets and pouches that can store items like cell phone, keys, thin raincoat, 500ml soft water bottle, 1.5L hydration bladder and other items for outdoor activities.

• LIGHTWEIGHT, ADJUSTABLE & VERSATILE: Fully adjustable and breathable design allows a full range of motion for all runners, joggers, bikers, kids and adults. Perfect for any outdoor activities such as running, cycling, walking, mountaineering and so on.

• COMFORTABLE FIT WITH SPECIAL DESIGN: This backpack gives a comfortable fit over sports gear and accommodates the majority of body sizes. Two sizes available: S/M, L/XL.

Specifications:
Type: Running Hydration Backpack  
Brand: AONIJIE
Model: E906#
Material: 100% Chinlon
Color: Black
Size: S/M (For chest circumference 80-97cm) / L/XL(For chest circumference 97-109cm) (Optional)
Capacity: 5L
Gender: Unisex
Size: 41 * 39cm 

Package includes: 

CJBHNSNS08102-Bag S M 2pcs 500ML BTL : 1*black bag S/M+2*500ml bottles

CJBHNSNS08102-Bag S M 2pcs 600ML BTL : 1*black bag S/M+2*600ml bottles 

CJBHNSNS08102-Bag S M 2pcs 500ml BTL 2L: 1*black bag S/M+2*500ml bottles+1*2L water pouch

CJBHNSNS08102-Bag L XL 2pcs 500ml BTL 2L: 1*black bag L/XL+2*500ml bottles+1*2L water pouch 

CJBHNSNS08102-Bag L XL 2pcs 600ml BTL 2L: 1*black bag L/XL+2*600ml bottles+1*2L water pouch