This shirt is single stitch. The tag is an XL Park City from the 1970's.This shirt has no holes or tears, and has only very minor discoloration for being nearly 50 years old. It's in excellent condition for it's age and very wearable! The measurements are approximately 20" pit to pit, and 29" top to bottom (see photos for actual measurements). Please reach out with any questions. Check out my other auctions for vintage rock t-shirts!