Blue hydration backpack designed for running, hiking, cycling, and everyday use. Combines organized storage with hydration compatibility so you can carry essentials and stay hydrated without bulk. Key benefits Organized carry for daily essentials: main zippered compartment and dedicated sleeves hold a laptop or tablet, magazine, phone, keys, and umbrella. Check sizing for laptop fit. Stay hydrated on the move: compatible with common 2 liter to 3 liter hydration bladders, so you can choose the capacity you need for short runs or longer hikes. Protected in light weather: made from durable nylon with splashproof performance to keep belongings safe from light rain and road spray. Compact and lightweight: 29 x 10 x 41 cm interior dimensions (approximately 11.4 x 3.9 x 16.1 inches) for a slim profile that transitions easily from sport to commute. Practical hydration features: supports insulated drinking tube options and includes water bottle holder space for additional bottles or accessories. Features Material: resilient splashproof nylon for everyday outdoor use. Storage: main zippered compartment with dedicated sleeves for device and paperwork, plus smaller pockets for phone, keys, and snacks. Hydration compatibility: designed to accept 2L to 3L bladders and to work with insulated drinking tubes for cooler water delivery. Size and fit: compact dimensions keep load close to the body for running and biking while offering enough room for daily essentials. Color: Blue. Use scenarios Trail run or mountain bike ride: pack a 2 liter bladder for hands hydration and a few energy bars in the front pockets for quick access. Day hike or camping day trip: install a 3 liter bladder, store a light jacket and snacks in the main compartment, and rely on the splashproof nylon if weather changes. Commuting or college: carry a tablet or laptop, a water bottle, and daily essentials in a compact pack that fits public transport and bike racks. Specifications Color: Blue Interior dimensions: 29 x 10 x 41 cm approximately 11.4 x 3.9 x 16.1 inches Material: Nylon, splashproof Hydration bladder compatibility: 2 liter to 3 liter Suitable for: running, hiking, cycling, commuting, travel, and everyday use This hydration backpack offers a practical balance of storage, hydration compatibility, and durable materials for active users who need a compact, reliable pack.