Ignore the size chart provided by amazon,check the size chart of the third picture to select the appropriate size
Tight Fitting,like a second skin; Flatlock seams to protect against chafing
Moisture Sensing,Quick time Dry,TWO-WAY Air Circulation
Smooth HeatGear fabric, Good elasticity, Compression design
Suitable for all sports indoors and outdoors; Prevents skin chafing and irritation when you in the gym or running