ExOfficio Men’s Give-N-Go Boxer – 1241-2171 94% nylon, 6% Lycra spandex Country of origin: Imported Care: Machine wash Cold. Do NOT bleach. Tumble dry Low. 14-1/2″ long side measurement. 15″ high front and back rise. 3.75″ deep inseam. 1-3/8 wide waistband. The Ex Officio Give-N-Go Boxer 1241-2171 has all the bells and whistles: moisture wicking, quick dry, anti-odor technology, ventilated breathability and travel worthiness, durability and of course, comfort. Ex Officio’s Give-N-Go Boxer is made of soft, textured nylon/Lycra spandex knit.