Size S Bust:76-82cm/29.9"-32.3" Size M Bust:82-88cm/32.3"-34.6" Size L Bust:88-94cm/34.6"-37" Size XL Bust:94-100cm/37"-39.4" Size 2XL Bust:100-106cm/39.4"-41.7" Size 3XL Bust:106-112cm/41.7"-44.1" Size 4XL Bust:112-118cm/44.1"-46.45"Size 5XL Bust:118-124cm/46.45"-48.81"100% high quality material,skin-friendly without stimulation. Outer layer:healthy sports clothThis section used in front of a single layer of Taiwan patent bamboo fiber fabric,is pure natural fabric,not only feel soft,healthy and comfortable,moisture perspiration,but also has antibacterial deodorant,anti-ultraviolet and promote blood circulation function. The back of a single layer of soft stretch fabric fabric,before and after the fabrics are moisture perspiration permeability,to solve the hot sweat thickest distress,so that comfort soared. The left side with three rows of fine stainless steel hook,there are 3CM adjustable range,you can adjust to the most suitable for their own body. The whole armpit \ dress length to follow the domestic code design,more adapted to different shapes. Upper armaged fat will not be squeezed out. Long section also has abdomen function. This section strong stretch,good resilience,high comfort,not easy to deformation,longer life.