Mexican Baseball tee by New Era. Paying tribute to the legacy of baseball in Mexico, this tee features a photo graphic from 1956 at the front. Cut in a cotton jersey with a ribbed crew neck and short sleeves. For over 100 years, New Era has been the go-to for official on-field hats for the MLB. Their baseball hats, apparel and accessories reflect their heritage with quality craftmanship, iconic designs and staple fits.