This hydration backpack includes multiple pockets: main pocket with insulated bladder compartment to keep drink cool, two front pockets with drawcord for small belongings, clear pocket for card, bottom pocket with mesh helmet cover. The backpack is made from lightweight nylon fabric and breathable mesh back and shoulder straps, making you comfortable all day long. It is a great choice forcycling, camping, hiking, jogging, running, and other outdoor activities.Features:Made from quality nylon fabric, lightweight, water-resistant and abrasion-resistant.Insulated bladder compartment keeps your drink cool for hours. (Bladder is not included)Two front pockets with drawcord for water bottle, food and mobile phone; clear window for your card.Bottom pocket with a mesh cover to hold your helmet.Mesh shoulder straps and EVA mesh back maximizes breathability and comfort.Reflective strips for added visibility and safety in low light.Suitable for cycling, camping, hiking, jogging, running, marathon, and other outdoor activities.Specifications:Material: NylonColor: Black / Blue / Green / Grey / Orange (optional)Capacity: 10LSize: 22 * 5 * 43cm / 8.7 * 2.0 * 16.9inWeight: 0.37kg / 13.0ozPackage List:1 * Hydration Backpack Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store