Sizes run as follows: Small: 4-6, Medium: 7-8, Large: 9-10. If in doubt, we recommend ordering one size up to assure proper fit. Be seen in one of the highest-quality classic fit pullover Youth Crewneck sweatshirts around. For over 30 years, California Republic Clothes products have been printed in beautiful San Luis Obispo, California, and we use only the finest garments. Our shirts have been sold just about everywhere, from the California State Capitol building in Sacramento to museum gift shops worldwide. Our Youth Crewneck sweatshirts are ultra comfy, pre-shrunk, and use air jet yarn, which results in a softer feel and Deep Reduced pilling. Whether you're rocking the California Republic Bear Flag, Marilyn Monroe, a cosmic space-exploring astronaut, or one of our popular sea life designs, this crew won't let you down. Don't settle for anything less than the original - California Republic Clothes. Product Care: Our hoodies are pre-shrunk, machine washable, and dryer friendly. As a side effect of the printing process you may see a small faint box on your shirt/sweatshirt. This will go away after a wash or two. All our products are backed by our top-notch customer service.