Underworks Men's Hip Buster and Butt Trimmer Brief MicrofiberNylonSpandex Sizes: Measure Waistline: Small 28-32 / Medium 33-36 / Large 37-40 / X-large 41-44 / 2X-large 45-48 / 3X-large 49-52 Microfiber smooth shell feels like silk / Powernet lining is strong and firm Mid Thigh Length-Draw Cord Waist Unique Pouch Crotch for Support and Convenience Made in USA The feelings of tightness, snugness, and fitness in the hips, the rear and the thighs are yours in this new Underworks Hip Buster and Butt Trimmer brief. A smooth Microfiber mid-thigh length boxer is lined with very powerful layers of powernet providing you compression and shape. A fly opening makes for easy bathroom visits. Made in USA.