4.5 oz., 100% combed ringspun cotton fine jersey ; CVC Colors are 60/40; Heather is 93/7 combed ringspun cotton/polyester; White is sewn with 100% cotton thread; Contrast self-fabric back neck tape; Double-needle sleeves and drop tail bottom hem with side vent construction; Sideseam construction; EasyTear� label; Machine washable/ tumble dry low; Fit: Adult Unisex - True to Size; Note: Color descriptions indicate Body/Back Neck Tape colors, e.g. Red/Titanium indicates Red shirt with Titanium back neck tape.