NEW Trail Running-ultra-light 5L Backpack, Running Hydration Vest, Marathon Can Be Used With 1.5L 500ML Water Bag.

• Versatile Use :This backpack is perfect for running, hiking, or even cycling, making it a versatile addition to your outdoor gear. • Gender-Neutral Design :The gender-neutral design of this backpack makes it suitable for both men and women, ensuring a comfortable fit for all. RUNNING BAG 5L CAPACITY : The moderate size and large capacity of 5 litres allows you to fill your water bag with ease. It consists of a main water bag pocket, front water bottle pocket and 6.9" smartphone pocket, with an external pocket for keys, cash and more. The running bag is made of ultra-lightweight, waterproof and tear-resistant nylon, polyester lining and breathable mesh. It's easy on the wallet, whether you're training or racing. The back and shoulder straps are designed with high-density mesh material, breathable and comfortable. When you use it at night, you can have high visibility to ensure safety, as the running bag has reflective material that glows in any light at night, ensuring safe running or cycling at night. Widely used, the waterproof and sturdy running waterproof vest can be used for jogging, running, marathon, hiking, mountaineering, biking, walking, backpacking and so on. Note: Manual measurement, each person's measurement is different, the size may have error. [Rucksack] Colour: black Size: 37x18x1 cm Capacity: 5 L Weight: about 0.25kg Use: cycling/running Applicable scenes: cycling sports [Water bag] Colour: blue Capacity: 500ML and 1.5L Size: 500ML(8x20cm) 1.5L(36x17cm) *Buyers can purchase their own according to their needs!