Stay hydrated and light on your feet with our 5L Ultralight Outdoor Sport Cycling Backpack. Designed for cycling, camping, hiking, and bike riding, this compact hydration pack convenient water storage and rainproof protection. Made from durable nylon, this backpack ensures you stay comfortable and well-prepared during your outdoor adventures. Specifications Feature Details Color Black, Red, Blue, Silver, White Weight 183g Model Number 15935 Type Backpack Material Nylon Function Rainproof Origin Mainland China Certification CE Customized Options Yes Choice Yes Semi-Choice Yes Key Points and Features Ultralight and Compact 5L Capacity: for carrying water and essential items without the bulk. Lightweight Design: Weighs only 183g, making it easy to carry during long rides or hikes. Durable and Weather-Resistant High-Quality Nylon: Ensures durability and resistance to wear and tear. Rainproof: Keeps your belongings dry in light rain and damp conditions. Versatile and Practical Hydration Pack Included: Convenient water storage for staying hydrated on the go. Multiple Colors Available: Choose from Black, Red, Blue, Silver, and White to match your style. Unisex Design: Suitable for both men and women. Why Choose Our 5L Ultralight Outdoor Sport Cycling Backpack? Opting for our 5L Ultralight Outdoor Sport Cycling Backpack ensures you have a reliable hydration solution for all your outdoor activities. Whether you're cycling, hiking, camping, or biking, this backpack provides essential water storage and rainproof protection in a lightweight and durable design. Its compact size and practical features make it an indispensable companion for any adventure. Please Note Capacity: This backpack is designed for carrying up to 5 liters of water and essential items. Maintenance: Follow care instructions to maintain the rainproof and durable properties. Compatibility: Ensure the backpack meets your specific hydration and storage needs. Stay hydrated and comfortable with our 5L Ultralight Outdoor Sport Cycling Backpack, ing reliable water storage and rainproof protection for your cycling, camping, hiking, and bike riding adventures. for those who value lightweight, durable, and functional gear in their outdoor pursuits.     About knapsack capacity and water bag capacity This product is backpack, water bag is accessories. Backpacks don't contain water bags.   If you only need a backpack, please buy the 'bag only' option. If you need a backpack and water bag, please buy the 'bag and bladder' option.   The capacity of the backpack is 5L (5L is calculated by the length, width and height of the main body of the backpack, which does not represent the carrying capacity of the backpack)   The capacity of the water bag is 2L.                       Introduction of optional accessories water bag