This product is a multi-functional large-capacity waist bag, cross-body chest bag and wallet that is popular among tens of thousands of people and suitable for both men and women for outdoor sports. As can be seen from the name, it has a variety of uses. First of all, its large-capacity design is very suitable for outdoor sports enthusiasts, and it can easily accommodate various items such as mobile phones, keys, and kettles, which is convenient for taking items at any time during the sports process. Secondly, it can not only be used as a waist bag, but also can be slung diagonally or hung on the chest to meet different usage scenarios and personal preferences. Its black appearance is classic and dirt-resistant. For people who like outdoor sports, whether it is running, climbing, cycling or other outdoor activities, this chest bag is a good choice. Moreover, because it is universal for both men and women, both men and women can use it, and the consumer group is very wide. It combines practical functions and fashionable appearance, and can meet the needs of consumers for convenience and comfort when going outdoors. In short, this chest bag is the ideal equipment for outdoor sports enthusiasts.