PRODUCT INFORMATION V-neck Undershirt 2 Pack For Men Ultra soft premium breathable fabric that holds shape through wash Flat-lock stitching to reduce irritation caused by chafing 4-way stretch construction provides mobility Machine wash cold like with like colors, tumble dry Tech Specs - FABRIC: 90% Polyester/10% Spandex. CARE: Machine wash cold with like colors/Gentle Cycle/ Do not Bleach/ Do Not Dry Clean/ Tumble Dry Low