A4 Men's Marathon Tee 100% Polyester Machine wash cold, use mild detergent, do not bleach, tumble dry low, do not use fabric softeners, remove promptly, do not iron, 3.5 ounce polyester interlock Moisture management for all season comfort Odor resistant and stain release fabric for easy care Reinforced shoulder seams for extra durability Double needle cover-stitch hem Double needle cover-stitch hem Cutting-edge moisture-wicking design XS-4XL