The best time to wear a striped sweater is with striped SpongeBob SquarePants and Patrick Star socks! They are machine washable and made out of 97% Polyester and 3% Spandex for a comfortable stretch. Bring the nostalgia of your favorite Nicktoon characters with you wherever you go, even to live in a pineapple under the sea. Officially licensed Nickelodeon merchandise.