Universal Textiles Childrens/Kids Boys 100% Cotton Plain Briefs Underwear (Pack Of 7) Cotton, , Great quality boys underwear. In bright and plain color packs. Sizes - Age 2-3: Hips 20-22inch, 3-4: Hips 22-24inch, 5-6: Hips 24-26inch 7-8: Hips 26-28inch. 100% Cotton. Machine washable.