Trimfit Boys' 100 Percent Combed Cotton T-Shirts (Pack of 2) 100% Cotton Imported Machine Wash 2-pack boys tagless 100 percent combed cotton basic undershirts Strong seams for added strength and durability Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron Trimfit. Wear tested and reg since 1921