Yhmxh Hiking Backpack Water Rucksack Backpack Bladder Bag Cycling Bicycle Bike/Hiking Climbing Pouch Hydration Backpack Pack( 5L-Orange, Without Water Bag ) Features: Product Name: Sports Backpack Material: Nylon Colors: Orange Quantity: 1pcs Applicable scenarios: running, cycling, traveling, outdoor sports Product size: 25cm * 8 * 41cm/9.9 * 3.2 * 16.1in Packaging size: 43 * 32 * 2cm/16.9 * 12.6 * 0.8in Product weight: 180g/0.4lb Gross weight: 180g/0.4lb Product Description: Lightweight and Breathable Design: Weighing 0.18kg, paired with a breathable backpack system, it provides long-lasting exercise without feeling stuffy or hot. Waterproof and durabled fabric: high-density nylon material, wear-resistants and scratch resistants , not afraid of rain, more reassuring for outdoor activities. Scientific layered storage: The main bag has a large capacity and multiple compartments, making it easy to store items such as water bags, phones, tablets, etc., making travel more organized. Safety details: This sports backpack comes with reflective strips and a whistle on the shoulder strap to protects safe nighttime travel. It is suitable for night running, hiking, mountain climbing, and more. Fashion Color Matching: Trendy color matching, suitable for both men and women, meeting different style needs. Includes： 1*Sports Backpack LIGHT & COMPACT PERFOMANCE: Designed with cyclists, runners, and hikers，team outing in mind, the hydration pack are compact and aerodynamic, offering featherweight stability on your back with minimized wind drag. They ensure top-notch body performance, perfect for intense activities from marathon training to cycling adventures. INSULATED WATER BACKPACK: This hydration backpack boasts efficient insulation to maintain water temperature for up to 4 hours. With segregated compartments, it conveniently stores snacks like sandwiches, chocolates, and fruits, keeping them fresh. A perfect outdoor companion, it caters to both instant hydration and energy needs during outdoor pursuits. COMFORTABLE & SAFE CYCLING: This water backpack integrates breathable technical fabric pad and subtle reflective straps for safety concerns to ensure users enjoy a dry and comfortable carry during outdoor activities or cycling, while enhancing visibility and safety in low-light conditions through its reflective straps. 5L TOTAL CAPACITY: This water backpack holding enough water to meet prolonged hydration needs during activities like festivals, raves, cycling, eliminating frequent refills. NOTE: Bladder is NOT included. VERSATILITY: Designed for versatility across multiple outdoor scenarios, this lightweight hydration backpack is an ideal choice for various activities, including cycling, running marathons, hiking, and even music festivals, thanks to its portable, form-fitting, and comfortable construction.