92% Polyester, 8% Spandex Imported Pull-On closure Machine Wash Your child will love these Sonic underwear with fun prints and designs - multiple pack sizes and silhouettes available. The 5pk and 8pk Boys briefs and boxer briefs are 100% combed cotton. The 4pk and 7pk athletic boxer briefs are made with Coolcraft Technology for Ultra Cool Softness. So many great options and pack sizes available for fun daily wear. All Pairs are tagless with a brushed waistband for ultimate comfort Official Authorized Licensed product brought to you by Handcraft