GapKids boys briefs are as fun as they are comfortable. Find a great selection of boys briefs in bright colors and adorable graphics. All boys briefs are made with premium 100% cotton for a soft, comfort he will love. The cut of boys briefs ensures a good fit around the thighs and the elastic waistband provides a secure grip around the waist. Boys briefs from Gap offer the fantastic quality that moms like and fun designs that boys love.