Men’s trunks Polyamide/spandex Hand wash, Line dry Blue Line style BLM023-BLK So silky smooth and lightweight, Blue Line microfiber men’s trunks are like wearing nothing at all. A perfect balance of comfort, quality and style, these essential men’s trunks offer value without compromising quality. Delivering a classic silhouette that highlights all your best features, Blue Line men’s trunks are a true wardrobe staple you’ll want to wear seven days a week. Destined to be a favorite.