Skin-Friendly Fabrics: The Long Sleeve Workout Shirts is made of 47.5% cotton, 47.5% rayon, 5% spandex, super soft, stretchy, lightweight, breathable and warm, giving you a comfortable experience. Simple Design: The Running Shirts features classic round neck, long sleeves, and solid color design, stylish and versatile. Slightly waist-skimming design trim your body curves, gives you slimmer look.,Skin-Friendly Fabrics: The Long Sleeve Workout Shirts is made of 47.5% cotton, 47.5% rayon, 5%