●Country of Origin: China ●Size: Height: Approx. 16.9 inches (43 cm), Width: Approx. 11.4 inches (29 cm), Shoulder Width: Approx. 18.1 - 31.1 inches (46 - 79 cm), Adjustable. *The sizes are the actual size of our store. Actual product and manufacturers indicated size may differ slightly from the actual product. Please be aware of ●Weight: Approx. 9.5 oz (269 ●Material: Nylon ●Slim and lightweight! Introducing a running backpack with helmet holder that is great for sports and outdoor activities, such as running, trail runs, etc ●(Vest type with excellent fit) ●Lightweight fabric weighs approximately 9.5 oz (269 g) and stylish form like a vest, so you can carry essential items such as drinks and smartphones without affecting the competition