Martial Arts, Zen T-shirt With Mushin Calligraphy 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 Martial Arts T-shirt, Zen T-shirt with original calligraphy of the Japanese kanji Mushin, No-Mind, brushed in the semi-cursive style of Japanese calligraphy. Lightweight, Classic fit, TearAway label, Double-needle sleeve and bottom hem LePlusChic T-Shirt 4.5 oz 100% Combed Ringspun Cotton, machine wash cold with like colors, dry low heat