From Tommy John, these undershirts feature: 2-pack Crew neckline Lay-flat, stretch rib Memory Collar to eliminate "bacon neck" Short sleeves Pullover styling Wear tucked or untucked Moisture-wicking fabric that keeps you two-to-three times as cooler No EFG®– a tapered design eliminates "excess fabric gut" Silky, soft Tencel™ modal/Lycra® spandex (exclusive of decoration) Machine wash / tumble dry  Imported.