Shop for the Boston Celtics Ankle TC 501 Socks from lids.com and support the Boston Celtics & NBA in style with lids.com Novelties! Does your workplace frown on you showing up in full regalia when your team plays? Get sneaky with TC 501 Socks when it's time to support your favorite team. These socks are comfortable, durable and nicely casual. Fits shoe size 8-13.