inspired the long johns of our youth, the Great's Circle Thermal has a round crew neck, a round hem with natural, raw edge.  Made of a cozy waffle thermal, it is perfect to layer or wear to bed.  45% polyester, 28% cotton, 24% rayon, 3% spandex. Made in the USA.  Machine wash cold, tumble dry low.  Sizing translates as 0=XS 1=S 2=M 3=L