Earned Not Given T-Shirts. Taekwondo Karate Martial Arts 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 Krav Maga, Muay-Thai, Aikido, Jiujitso, Taekwondo, Tae Kwon Do, Karate, Martial Arts, Ninjitsu, Wushu, Capoeira, Takewando, Kickboxing, Teacher, Student, Instructor Lightweight, Classic fit, Double-needle sleeve and bottom hem