93% Rayon, 7% Spandex 1 Pair Closed Fly with Show-It Technology The Andrew Christian Flex Soft Boxer is made from Modal fabric which is 50% more absorbent than Cotton, making them perfect for sport. Featuring Show-It Technology which gently lifts & supports & a Soft Stretch elastic waistb&, this style of Andrew Christian mens underwear is both comfortable & durable.