Size: XL: suitable for height 145-165cm, waist: 65-85cm The thickened sponge protection design on the shoulders forms a shoulder protection net from point to face, which fits the shoulder curve and gently cares for the shoulders. It adopts a single layer of light and thin porous fabric, which is not deformed, soft and comfortable, has good elasticity, is close to the body and is breathable, and can be worn all year round. Lightweight and breathable bee flower breathable fabric and 360 3D breathable layer help cushion the back pressure, making the wearing process more comfortable and breathable. From the shoulders and under the armpits, work your way backwards, concentrating multiple forces on the center of your spine, and straighten your back.