Compression Tank Top - Men's Muscle Running Base Layer Sleeveless Sports Tee HIGH PERFORMANCE FABRIC - Keeps you warm in cold weather & keeps you cool in hotter temperatures; thick and no 'see through' problems! PROVEN COMPRESSION TECHNOLOGY - Promotes faster muscle recovery & blood circulation, & provides great support and 'no bounce' FLAT LOCK SEAMS STITCHING - Allows flexible mobility without chafing or skin irritation ANTI ODOR & ANTI ITCH MATERIAL - Keeps you dry & comfortable even with longer use 4-WAY STRETCH TECHNOLOGY - Excellent, snug fit & retains shape even after multiple washes