The new Microfiber compression shirts feel like skin tight silk! Our fabric offers multi-directional stretching that allows the shirt conforms to every curve of your body. It moves with you yet it is invisible under clothing. Breathable and cool. Micro-Fiber soft touch, is a man made synthetic fiber made by Dupont.These yarns are especially engineered ultra fine filament yarns in which each filament has a controlled thickness that is 15 times finer than human hair. The result is Unmatched comfort, fit, and durability. Our microfiber also has an SPF 50 rating for your protection. Made in USA.