Jockey Sport® Cooling Mesh Performance Trunk - Size XL ( 40"-42" ) Keep your cool in the Jockey® Sport Cooling Mesh Performance Midway® Brief men's underwear. A no-fly construction provides maximum support, while ultrasmooth, quick-drying microfiber and mesh panels help keep you comfortable before, during and after your workout. The Midway® Brief extends to the mid thigh for full coverage. Quick-dry microfiber wick sweat to help keep you cool and dry Mesh panels enhance wicking and breathability Stretchy fabric moves in all the ways you do Mid rise and full coverage, No-fly design for a streamlined look and feel, Moderate support for stay-in-place support for your on-the-go lifestyle 92% nylon/8% spandex, Machine wash and dry