Insta Slim Mens Compression Waist Trimming Undershorts, The Magic is in The Fabric! 72% nylon, 28% spandex Made in USA &#9989 The ORIGINAL Insta Slim ONLY available from Insta Slim and Fulfilled by Amazon. Beware of COUNTERFEIT Products sold by anyone except Insta Slim &#9989 Insta Slim compression under shirts for men, look up to 5" slimmer instantly! &#9989 The Magic Is In The Fabric! Eliminate your love handles, firm and define chest. &#9989 Slim and trim all critical areas and offers excellent back and posture support &#9989 Single layer super compression - Back and abdomen support