Shoulder strap with gradually-changed width

The utility model relates to the field of backpacks, in particular to a shoulder strap with gradually-changed width. Comprising a body, the width of the body is gradually increased from the width of one end close to the bottom of the backpack to the width of one end close to the top of the backpack, the body comprises a surface part and an inner core part, the surface part is sealed and turned inwards through sewing threads, the inner core part is hidden in the surface part, and one face of the inner core part is connected with the surface part through first mucilage glue; and the other surface of the inner core piece is connected with the surface piece through a second adhesive. The chair has the effects of being attractive and comfortable. 本申请涉及背包的领域，尤其是涉及一种宽窄渐变肩带。包括本体，本体的宽度从连接靠近背包底部的一端的宽度至靠近背包顶部的一端逐渐增大，本体包括表面件和内芯件，表面件通过车缝线进行封口内翻形成，内芯件内藏于表面件内部，内芯件的一面通过第一粘胶与表面件连接，所述内芯件的另一面通过第二粘胶与表面件连接。本申请具有美观、舒适的效果。