The Hanes Boys 4-pk Tagless Platinum Briefs in White/grey/black size M (10-12) are made of 100% cotton material, making them soft and comfortable for boys. The solid color pattern in gray with a tagless design adds to the overall comfort of the underwear. Machine washable for easy care, these briefs come in a convenient 4-pack, perfect for keeping boys well-stocked with quality underwear from a trusted brand like Hanes. Ideal for everyday wear, these briefs are both stylish and practical for young boys.