The Specifics: MicroModal Undershirts More absorbent, more durable, and more color brilliant than standard 100% cotton undershirts Blended with American grown Pima Cotton (Supima) - much finer, smoother, and stronger than most every other cotton available Stays tucked. Longer cut keeps your undershirt tucked in Won't bunch. Streamlined fit ensures no bunching around your waistline or arms Non-stick. Ultra-smooth fabric won't stick to your outer shirts Won't lose its shape. Perfect fit wash after wash. Preshrunk TagFree care label Made in the U.S.A.