Jockey Men's Underwear Chicago Nights Short Trunk 91% polyamide/ 9% elastane. Machine wash and dry. Imported. Style 12924 show off your own style with our Chicago Nights short trunk men's underwear features a fitted no-fly design for a body-conscious fit our men's short trunk is made from a soft synthetic-stretch fabric for a comfortable, move-with-you fit and feel Jockey&reg; short trunk is slightly shorter than our regular trunk style; extends to the highest point of the thigh