Jockey Men's Underwear Pro Performance Midway Brief Pouch: Lower Front and Back: 79% polyester/ 21% spandex. Upper Front, Inner Front, Upper Back, and C Style 8032 get real performance with our sport pro performance Midway&reg; brief low friction seams prevent chafing, and provide support without the restriction of compression pro performance fabric wicks moisture away to keep you cool and dry revolutionary odor control technology allows you to be confident and comfortable throughout the day