St. Patrick's Day Irish Shamrock Crew Socks Womens Size 9-11 (6 Pack) 90% Polyester Beautiful colors and designs for St. Patricks day. Crew length, Women's sock size 9-11. Comfortable, durable and beautiful. What a way to finish up you st.patrick's day outfit! You already have your green Ireland shirt, your green leprechaun hat, silly green bow tie, flashing shamrock pin, four leaf clover underwear.... what else could be in spirit of the holiday? How about these fantastic Irish inspired St. Patrick's day socks?! The perfect compliment to your holiday greens, these socks are perfect for all people proud of their heritage year round!