Stay hydrated and organized on your next adventure with this versatile backpack. Featuring a 3-liter BPA-free hydration bladder that keeps drinks cool for up to 5 hours, it's perfect for running, hiking, biking, and climbing. Durable nylon construction includes adjustable straps, sturdy zippers, and a safety reflector for added visibility. With 2 deep pockets and 1 mesh pocket, plus a front stretch pocket, there's ample space for essentials like phones, wallets, snacks, and extra gear.