Alo Yoga Men's Tranquility Sleeveless T-Shirt 70% Viscose derived from Bamboo/30% organic cotton Imported Machine Wash 70% Viscose derived from Bamboo/30% organic cotton t-shirt custom made in los angeles, canada Extremely soft hand, regular fit Artist collab by blaine fontana Printed neck label Check out the many benefits of using Viscose derived from Bamboo http://www.arborcollective.com/2009/07/the-benefits-of-Viscose derived from Bamboo/