Merona sport made some rugbys in the 80s that look closest if you can snag a vintage one on Etsy or Ebay Here are some other options: https://www.supplyandadvise.com/products/beams-plus-rugby-pocket-sweatshirt-green?variant=14845957701675 https://www.boohooman.com/us/man-fleece-rugby-shirt-with-kang...