nylon

Streamlined and Compact Design: 19.7”x8.7”x2.6” in size. Ergonomically fits for your shoulders, chest, and waist. 3 straps are all adjustable for reducing bounce.

Reliable Material: Heavy duty 1000 Denier water repellent nylon with superior wear resistance. Engineering plastic buckle is durable and impact resistant; Military grade webbing is strong.

Practical Functions: 1 main pocket fits up to 3L water reservoir with either large or small opening. 2 external pockets for storing personal belongings wallet, gadget, towel, phone, keys.

Professional 3L Hydration Bladder: Made of 100% BPA free, tasteless TPU. Quick release valve allows you to refill water without connecting hose.

Versatility: Frees your hands while drinking, this tactical hydration pack is your perfect choice for short trip, camping, bike riding, walking, mountaineering, kayaking, skiing, snowboarding.

New.

**Last picture shows how you can customize this backpack with accessories (accessories not included).

Product Information