American Pi Socks by Sock It to Me are the perfect gift for that socks lover in your life. These geeky themed mens crew socks come in multiple color Options and fit Men's shoe size 7-13 and women's shoe size 8.5-14.5. Made of 59% Cotton / 38% Polyester / 3% Elastane for comfort and durability. A pair of these cool Geeky novelty Socks will certainly give any wardrobe an instant upgrade. Wash with like colors in cold water. Tumble dry low