Officially Licensed Product Adult Unisex Fit Solid colors: 100% Cotton, Athletic Heather: 90% Cotton / 10% Polyester, all other Heathers Cotton/Polyester blend Machine washable, printed in the USA. Click on the Teelocity link above the item name to see more styles! At Teelocity we strive to bring you unique creative designs that relate to today’s pop culture. We offer a wide variety of designs including some of your favorite licenses, high quality graphics, and simple humor. You can shop with confidence knowing that all of our designs are 100% authentically licensed and under the Teelocity brand. Reach for the sun, the moon, the stars, or Mars with our officially licensed NASA apparel! A global leader in research and space exploration, NASA keeps us looking up and dreaming what's out there. Let our styles help you show off the explorer in you!Printed on a heavyweight standard fit tee for a loose, comfortable fit. Machine washable. All graphics are printed in California, USA. See sizing guide before ordering.