Major and minor league baseball players wear classic-style hats made of wool (or, more recently, polyester) with their team's simple logo and colors; the logo is usually embroidered into the fabric. More recently there are brands that are using uncommon materials for snapback hats as for example wood brims.

The New Era Cap Company is an American headwear company headquartered in Buffalo, New York. It was founded in 1920 by Ehrhardt Koch. New Era has over 500 different licenses in its portfolio. Since 1993, they have been the exclusive baseball cap supplier for Major League Baseball (MLB).

On April 24, 1849, the New York Knickerbockers, baseball's seminal organization, adopted the first official uniform. The first baseball caps were chip (or straw) hats.

This is 100 percent wool like they used to be made in before 2007. This actually responds very well to heat steam. And especially moisture.

MOST COMMON MATERIALS

• Cotton. Cotton hats are usually quite durable and often packable and crushable.
• Wool Felt. Felt is created by rolling and pressing wool and applying moisture and heat, making the fibers mat/interlock together and creating the felt fabric.
• Straw.
• Fur Felt.
• Polyester.
• Toyo / Paper Braid.

Most New Era caps and hats are made and manufactured overseas in factories in mostly China and Vietnam. The only New Era caps made in the US (United States) are at New Era's Florida plant (located in Miami-Dade county), which produces MLB on-field caps worn by the Major League Baseball players.

Founded in 1920 by Ehrhardt Koch, a German immigrant living in Buffalo, N.Y., New Era started as your classic haberdasher, making all manner of caps. The company is still in the Koch family, with Ehrhardt's great grandson, Chris, who took over the company in 1993.

Most New Era caps and hats are made and manufactured overseas in factories in mostly China and Vietnam. The only New Era caps made in the US (United States) are at New Era's Florida plant (located in Miami-Dade county), which produces MLB on-field caps worn by the Major League Baseball players.

Cotton is often blended with other natural or synthetic fibers, like linen, rayon, polyester, paper. Cotton hats are very comfortable to wear, breathable, hypoallergenic, washable and packable. Blends take advantage of other properties, to prevent shrinking, fading, wrinkling.

A hat is a head covering which is worn for various reasons, including protection against weather conditions, ceremonial reasons such as university graduation, religious reasons, safety, or as a fashion accessory.

polyester Earlier versions of the 59FIFTY were made with 100% wool but eventually switched to polyester, which includes sweat-wicking fabric and sun protection. 59FIFTYs are fitted and do not have an adjustment strap like many other designs, such as the snapback.

There are two styles of the 59FIFTY: the original, which has a flat visor and a tall profile, and the low-profile, which has a pre-curved visor and a rounded profile. Earlier versions of the 59FIFTY were made with 100% wool but eventually switched to polyester, which includes sweat-wicking fabric and sun protection.

Because of New Era's historic relationship with the Major League Baseball (MLB), its baseball hats are seen as “authentic” and have cache around the world. “People aren't just buying a Red Sox or Yankees hat, but everything that team represents,” said Gan.

They place a string in a groove along the perimeter. And pull this rolls back the edge of the felt to form a rim. Then they trim off the excess. Felt.