• Lightweight & Comfortable Design: 14.5*7.5 inches in size and 0.55 lb in weight, with 5 L in capacity. Adjustable shoulder, chest and waist straps ensure a stable and comfortable carry.
• High Quality: Made of durable polyester fiber, mesh and quality zippers. It includes a top hole for passing a drinking tube through. A compartment designed to store your quick-dry sweat towel, umbrella or wallet, cell phone, water bottle and so on.
• Professional Design for Biking: The hydration pack has ergonomic design on the back comfort. Integrated breathable sponge mesh in the back, breathable and not muggy. Reflective strips on both front and back for safe riding at night.
• Convenient Design: It includes a 2 Liter BPA free bladder which keeps you hydrated. It also keeps the water cool, you can add ice cubes for an even cooler drink. Enough to get you through a day of hiking, cycling, running or biking.
• Adjustable shoulder, chest and waist straps to fit your body size, effectively avoid the backpack shaking while running.