Large Capacity Lightweight Backpack Outdoor Sport Climbing Mountaineering Backpack

This hydration backpack have been specially developed for road bike, running, hiking. They are compact and have a low profile. They feel lightweight and stable on your back and do not cause large wind resistance performance whether you are training for a marathon or cycling.

Features:
The backpack has a thick, insulated layer. Insulated bubble compartment keeps your liquid cool or hot for up to 4 hours.
The hydration bladder is made of fine quality PEVA material. The water bag is tasteless and odourless. Have passed the pneumatic pressure test and 24-hour vibrations test. Large opening is easy to wash and add ice cubes. The mouthpiece makes drinking easier.
Ergonomically adjustable on shoulders, chest and waist, 3 straps are adjustable to reduce bouncing. You will never lose balance due to the water load. The soft air mesh back accelerates airflow and protects the back cool. The foam padded shoulder straps are extremely comfortable.
The backpack is the perfect choice for cycling, camping, running, music festival, rave and kayaking. A nice gift for families and friends.

Specifications:
Color: purple, black, orange, rose red, blue, dark blue (optional)
Type: with water bag, without water bag (optional)
Water bag capacity: 2L
Backpack material: nylon
Water bag size: 310 * 175mm / 12.2 * 6.9in
Backpack size: 410 * 275 * 140mm / 16.1 * 10.8 * 5.5in
Backpack weight: 145g / 5.1ounce
Water bag hose length: 1.02m
Water bag suitable temperature: -20℃ to 50℃
Package size: 420 * 280 * 100mm / 16.5 * 11.0 * 3.9in
Package size:
With water bag: 350g / 12.3ounce
Without water bag: 200g / 7.1ounce

Packing List:
With water bag:
1 * Backpack
1 * Water Bag

Without water bag:
1 * Backpack