This is a multi-functional bag specifically designed for outdoor sports and leisure travel. It is made of Oxford fabric, which is strong and durable, capable of adapting to various complex outdoor environments. It has excellent waterproof performance, so you don't have to worry about the items inside the bag getting wet even in rainy weather. This bag has many design highlights. The overall appearance features a solid - color pattern, combined with the popular element of stitching, presenting a simple yet fashionable look with a unique style. Its internal design is very user - friendly. It has a dry - wet separation function, which allows you to store wet and dry items separately, keeping the items inside the bag dry. At the same time, it is equipped with a USB interface, facilitating you to charge electronic devices at any time during your outings. The lining of the bag is made of polyester, which is not only comfortable and breathable but also can well protect the items inside the bag. It measures 15 inches and can hold a 12 - inch computer. The large - capacity design can meet the need of carrying various items during travel or outdoor sports. Whether it's clothes, a computer, a charger, or other daily necessities, they can all be easily packed in. Moreover, it can be used as a chest bag or carried on one shoulder diagonally. Multiple carrying methods can meet the needs of different scenarios and personal preferences. Whether on a leisure trip or during outdoor sports, it is your reliable companion.