OSS - BJJ - Brazilian Jiu Jitsu - Sleep Eat Roll T-shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 58% Cotton, 42% Polyester Imported Machine wash cold with like colors, dry low heat Sleep, Eat, Roll! The mantra of Brazilian Jiu Jitsu Fit: Slim (consider ordering a larger size for a looser fit) Printed in USA This premium t-shirt is made of lightweight fine jersey fabric