New Mexico T-shirt - Have a Nice Day New Mexico Shirt 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 Show your New Mexico Pride with this Plastic Bag Style Tee. Only for True New Mexicans. The best gift for New Mexico natives, anyone who calls New Mexico home or had to leave and misses New Mexico. Lightweight, Classic fit, Double-needle sleeve and bottom hem