Hanes Men's ComfortSoft Dyed TAGLESS Crewneck Undershirt 4-Pack_Military Navy_S 100% cotton. Heathers: Cotton/polyester Importado Men's ComfortSoft cotton undershirt in darker shades. Men's ComfortSoft cotton undershirt in darker shades. Wear it alone or as your first layer. TAGLESS undershirt for a comfortable, no-itch neckline. Lay Flat Collar keeps its shape, guaranteed.