This amazing 'Science' long sleeve T-shirt is from the well - known brand Firebeard. Crewneck sweatshirts are available in a wide range of sizes, from S to 4XL. The 8.5 - ounce material is an 80/20 blend of ring - spun cotton and poly, and it comes with a removable tag for maximum comfort. The twill - taped neck and locker patch help prevent stretching. For care, simply machine wash it cold, inside out with like colors. Use non - chlorine bleach only when necessary. Hang dry for the best results, or you can tumble dry with cool/low heat. Avoid using fabric softener as it may cause fading. Also, don't iron or dry clean this shirt.

Using this long sleeve Science T - shirt is easy. Just put it on and enjoy its comfort all day. When it's time to clean, machine wash it cold inside out with similar colors. Only use non - chlorine bleach if there are stains. After washing, hanging it to dry will keep it in the best shape, but you can also tumble dry on cool or low heat. Remember, fabric softener can fade the colors, so skip it. And don't try to iron or dry clean this shirt, as it might damage the material.