• 1, Lightweight and Breathable High Quality Materials – Air mesh back allows for airflow, shoulder straps also use mesh materials.
• 2, Adjustable Wide Webbed Shoulder Straps - Comes with them to fit your sizes, for men, women. Keep you to move comfortably. Shoulder Straps are equipped with holes for the water tube for drinking by hydration bladder.
• 3, Durable, Waterproof and More Capacity – It’s resistant to abrasion, wear and tear. High waterproof performance is suitable for outdoor sports. Wallet, keys, towels can be easily put in, there’re also pockets on wide shoulder straps which can place phone and water bottle, etc.
• 4, 2L PEVA Hydration Bladder Included – Upgraded PEVA materials is used, it’s more safe to your health. 100% odorless, tasteless, BPA-Free, double soldering sealing side technique ensures high durability. Simple to drink with water tube, pull the rubber mouth piece out and the water comes right out, and push rubber mouth piece back to close. Completely pressure-tolerant and leak proof. You can easily pour in water(between -20 and 50 degree Celsius) and clean it.
• 5, Two Layers and Reflective Article Design - Hydration Bladder is in separated layer, and the other is for other necessary items. Reflective article design is for better safety.
• 6,THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER.