nasa Men's T-shirtMade of quality 100% cottonFull-color vintage style print to the chestDouble needle sleeve and bottom hemPre-washed to minimize shrinkageRegular fitCrew neckShort length sleevesBack is blankAbout American ClassicsAmerican Classics are classic American! AC produces quality 100% licensed t-shirts and apparel since 1994. Sold in global stores and includes a wide variety of licensed tees from classic movies and TV shows to Musicians and American Icons. Officially Licensed Merchandise You are buying from an official manufacturer of merchandise. American Classics only sells great quality cotton t-shirts with long lasting digital graphics. Beware of cheap, counterfeit iron-on transfer t-shirts available on eBay. Size GuidePlease use the size guide carefully to prevent returns. Brand sizes are designed to fit to the following body measurements. Small - Length = 28" (71 cm) - Chest Width = 18" (46 cm)Medium - Length = 29" (74 cm) - Chest Width = 20" (51 cm)Large - Length = 30" (76 cm) - Chest Width = 22" (56 cm)XL - Length = 31" (79 cm) - Chest Width = 24" (61 cm)2XL - Length = 32" (81 cm) - Chest Width = 26" (66 cm)3XL - Length = 33" (84 cm) - Chest Width = 28" (71 cm)4XL - Length = 34" (86 cm) - Chest Width = 30" (76 cm)5XL - Length = 35" (89 cm) - Chest Width = 32" (81 cm) Returns Info Need to return an item? No Stress! Our no hassle returns mean you have 30 days after you receive your shipment. All you do is contact us for return address and ship it back to us and we will issue a full refund less shipping costs. Remember, all items must be in original packaging and in brand new condition to qualify for a return - this means unworn and unwashed. To exchange an item simply place a new order for the desired size.