Trimfit Boys' Tagless 100 Percent Combed Cotton Briefs (Pack of 3) 100% Cotton Imported Machine Wash 3-pack boys tagless 100 percent combed cotton basic briefs 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