Jockey Men's Underwear Retro Microfiber Trunk 91% polyamide/ 9% elastane. Machine wash and dry. Imported. Style 12608 enjoy the comfort and convenience of our men's retro microfiber underwear microfiber trunk offers a tailored fit for smooth layering under clothes these trunks feature a lightweight nylon stretch fabric blend that dries quickly perfect for travel! no-fly underwear design provides support