Each piece from this pack was produced in Bangladesh with an 80% acrylic and 20% wool crown and a 100% polyester upper visor. The Baltimore Orioles and St. Louis Cardinals hats are equipped with black Heather crowns, a black button, upper visor and sweatband with the Hat Club logo affixed and a Kelly green under visor. The Detroit Tigers and New York Mets hats are equipped with a graphite Heather crown, graphite button and upper visor, a black sweatband with the Hat Club logo affixed and a Kelly green under visor. The Kansas City Royals and Los Angeles Dodgers hats are equipped with a light gray Heather crown, gray button and upper visor, a black sweatband with the Hat Club logo affixed and a Kelly green under visor. All of the front logos, side patches and flat-stitched batterman logos are sewn with a combination of white, black, metallic silver and metallic gold threading.