"I Can't Keep Calm" Funny Drummer T-Shirt for Musicians 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 Funny drumming shirt for drummers & percussionists. Wear it to band practice, concerts and rock shows! Great gift for rock stars, professional drum players and musicians. "I Can't Keep Calm I'm A Drummer" Funny Drumming T-shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem