This is the "Rough&Smooth Thermal Baseball Tee" made from a cotton-polyester blend waffle thermal fabric. Size 4 is quite rare and I think it's a valuable item. There are no noticeable stains, and I think it can still be worn for a long time. Color: Black Size: 4 Details: Length: 80cm (from the back of the collar) Width: 65cm (from armpit) Shoulder width: 64cm Sleeve length: 45cm (from shoulder) *Measured by a layman graphpaper Ralph Lauren UNIQLO COMOLI stein Jil Sander ATON hender scheme Seya foot the coacher spectusshoeco steven alan N.HOOLYWOOD kolor A.P.C. OAMC YOKE JieDa SUNSEA WELLDER AURALEE NEON SIGN SACAI Color: Black系 (Black-based) Sleeve Length: 3/4 sleeves Pattern/Design: Plain Stains/Tears/Smells: None