Dr.WALT 65 Grams Mens Undershirt Vest Business Produced with Technical Yarns for Everyday use 43% PPL Dryarn, 57% PA Q-Skin 100% MADE IN ITALY EUROPEAN SIZES Invisible under shirts and polo shirts Sweat and bad odors control Thermoregulatory function on all seasons Slim fit, no seams, no tightening Deep neck Very short sleeve Reinforced underarm Breathable and thermal Sweat and bad odors control Hypoallergenic Body shaped