This men's short-sleeve??tee is made from light and breathable polyester fabric that keeps you cool when things heat up. Perfect for warm weather and as a base layer for everyday wear. 100% Polyester. Short sleeves. Crew neck. Lightweight and breathable. Quick drying. Stretchy material fits to the body.. Ideal as a base layer in all seasons.. Solid color design. Machine washable. Imported. . . Sold in Japanese sizing. Please order two sizes above what you would normally wear. For instance, if you typically wear a men's small, order a men's large 2444392224701 34357600037 444392