USA Flag Shirt $20 Club VS Member Price: $18 Free USA Shipping! View Size Chart Size Choose an optionSmallMediumLargeXLXXLClear Add to cart SKU: N/A Category: Shirts Description USA Flag Shirt Pair this red, white, and blue USA Flag shirt with your Uncle Sam Challenge registration and show your patriotism! Unisex shirts are available in adult sizes S-XXL. Gildan brand shirts run true to size (See Size Chart). Shirts are a 100% pre-shrunk cotton.