Amazon.com: Hydration Backpack with 2L Water Bladder 。✨ USA Patent Hydration Vest Backpack for Active Endurance A lightweight, adjustable hydration vest designed for running, cycling, hiking, and marathon training. Features a dedicated 2.0L water bladder and multi-pocket layout for convenient storage during high-intensity activities. Condition: Brand new Measurements: Capacity: 5 Liters, Tank Volume: 2 Liters, Weight: 750 Grams Materials / Fabric: • Nylon • PEVA Features: • Comfortable adjustable straps with wide mesh shoulder pad • Lightweight and waterproof construction • Multi-pocket design for organized storage • USA patent protected design • BPA free, water temperature range: -20°C to 50°C Compartments: • Multi pockets on front • Water bladder pocket on back Carrying / Wearing Options: • Adjustable cross body straps • Wear as a chest pack or backpack vest Practical Use: Ideal for running, jogging, marathon, climbing, hiking, cycling, biking, walking, backpacking, traveling, kayaking, motorcycling, and other outdoor or endurance events. fast shipping, smoke-free home, bundle & save QjBGMzEzVFROSA==