Roots Collection China, officially the People's Republic of China (PRC) (Chinese: 中华人民共和国 Zhōnghuá Rénmín Gònghéguó). The Middle Kingdom - known in ancient times as the cradle of East Asian civilization where all martial arts, peoples, and cultures originated from. • 100% combed and ring-spun cotton (heather colors contain polyester) • Fabric weight: 4.2 oz (142 g/m2) • Pre-shrunk fabric • Shoulder-to-shoulder taping • Side-seamed