Mens Funny Java Programmers Wear Glasses Because the Don't C# Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Ideal t-shirts for proud geek and nerds who code and love Java Programming Fun Novelty Gift Tee for birthdays, house warmings,family get togethers, Christmas, special occasions. Lightweight, Classic fit, Double-needle sleeve and bottom hem