Outdoor Hiking Running Cycling Camping Tight-fitting Bag

Parameter: 

- Capacity: 15L
- Adjustable shoulder strap: 47 - 81cm / 18.5 - 34.25 inches
- Waist circumference: 91 - 116cm / 35.83 - 45.67 inches
- Adjustable chest strap: 16 - 30cm / 6.3 - 11.81 inches
- The maximum loading weight: 15kg

Features: 

Provide you to carry everything you need for every type of fitness
15L large capacity with hydration bladder compartment with tube holes design to conveniently keep your body hydrated for a day.
It is easy to get stuffs in and out.

Make your back feel pretty comfortable
Ventilated back for maximum breathability that quickly allows the heat spread out and sweat resistance makes your back feel comfortable when you carry the backpack for a long time while the adjustable and breathable harness to relieve the weight on the shoulder.

Won't bounce and shift
Adjustable and flexible chest strap and waist strap to perfectly fit your body size and effectively avoid it shaking while fitness.

Emergent whistle design
Designed with a whistle at the chest strap for an emergency using to keep you safe or warn others, more practical and multifunctional.

Various using applications
Suitable for youths and adults to short distance outdoor traveling, hiking, mountain climbing, cycling, riding and other outdoor sports.