Trimfit Boys Cotton/Spandex Boxer Briefs (Pack of 4) Cotton,Spandex Imported In This Pack: 4-pack boys 95% cotton/5% spandex, colorful, printed boxer briefs High-Quality Fabrics: 95% Cotton/5% Spandex. Designed in USA Care: Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron Features: Strong seams for added strength and durability, heat transfer label for added comfort. Trimfit. Wear Tested Since 1932