Boss Hugo Boss Organic Cotton Trunks - 3 Pack (0451408). Simple and to-the-point styling with premium fabrics makes all the difference with these minimalist trunk basics. Made of organic cotton and elastane. Pack gives you three stretch cotton trunks. Contour pouch gives you a comfortable amount of room and more support. Seamless rear. Sleek Boss and striped exposed elastic waistband. Hems at leg openings are turned-and-stitched for comfortable hold. Low rise. Tagless. Flyless.