From Tommy John, these under shirts feature: 2-pack High v-neckline Lay-flat, stretch rib Memory Collar to eliminate "bacon neck" Short sleeves Pullover construction 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.