Men’s trunks Viscose knit Imported Machine washable A trendy take on men’s underwear, these stylish slub knit trunks are the latest look from the Man Zone® slub collection. Crafted in a silky viscose knit with a sheer slub texture, these sexy men’s trunks offer contoured seaming for superior comfort and a close fit. Butter, Black. S-M-L-XL.