Backpack Product Description Product Features The main compartment is designed to hold a 1.5L water bladder (not included) with a convenient hydration system to keep you refreshed on the go. Multiple front pockets offer organizational convenience to classify and neatly arrange your belongings. Reflective strips enhance your visibility and safety during nighttime activities. A breathable mesh back ensures excellent air circulation, keeping you cool and comfortable. Adjustable shoulder, chest, and waist straps distribute weight effectively and reduce fatigue. 12L capacity provides ample space for daily essentials such as cellphones, water bottles, umbrellas, and power banks. Perfect for activities like riding, running, cycling, camping, hiking, and mountaineering. Specifications Color Options: Red, Grey, Blue, Black Materials: Polyester, Nylon, Spandex Capacity: 12L Fits Chest Circumference: 76-150cm (29.9-59.1in) Size: 20 x 10 x 38cm (7.9 x 3.9 x 15.0in) Weight: Approximately 300g (0.7lb) Package Includes 1 Backpack