Why is this best choice for outdoor sports?

High quality water bag

Insulated water bag tube

Thermal insulation

Multi-space multi-layer pocket

Adjustable shoulder straps, chest straps and belts ensure that fits your body size

Breathable back lining

Emergency whistle in case of emergency

Reflective strips keep your visibility

External rubber bands can be used for extra carrying of other things

The keychain ensures that the key is in a clear position

Mouthpiece valve is not easy to leak

Presumably all of the things here are the focus of every outdoor hobby

You have it, it won’t let you down.

Product Features

• Data Support: 16.5*10.23*3.93 inches in size and 0.95 lb in weight, with 15 L in capacity. It adds no heavy burden to your travel load. Adjustable shoulder, chest and waist straps ensure a stable and suitable carry.
• Multi-layer Space: The main compartment is roomy enough to carry water bladder, hoodie, iPad and lunch box. Front zip pockets are perfect for storing wallet, phone, keys, small first-aid kits, bug sprayers, sunscreen, gloves, snacks, multi-tool, etc. Don’t worry about your life necessities nowhere to put.
• Unique Insulation Hydration Compartment: Made of thickened aluminum foil material, the insulated hydration compartment fits up to 2L bladders and keeps liquids cool for up to 4 hours. It comes with a Velcro fixed water bag. If you are a fan of ice water, there is absolutely no problem in choosing it. When you drink water, it will be the same temperature as you just went out.
• BPA-Free Leak-Proof 2.5L Water Bladder Included: Comes with a taste free odorless water bladder to keep you hydrated throughout your walking， High Flow Bite Valve，The large opening makes it easy to refill, clean and dry. The quick-release tube with auto-shutoff valve, soft silicone mouthpiece and insulated neoprene tube cover ensures easy control of the water flow and provides a leak-proof and enjoyable drinking experience.
• Service Guarantee and One-year Warranty: If you have any questions or questions, you can contact our customer service team, we stand behind the quality of our pack and offer one-year warranty, feel free to contact us for refund or replacement if you are not satisfied with it.