Baseball Hat Sizing Guide

Baseball Hat Sizing Guide

What Is a Proper Fit?

Knowing how to size a baseball hat is all about making sure it fits you comfortably. Whether you are primarily wearing a hat for sun protection or as a fashion statement, it's important that it sits properly on your head. If you plan on spending a lot of time outside or wearing your hat to the ball game, you want a cap that fits snugly and does not blow off in the wind.

But if your hat is too tight, it can be uncomfortable. And if your hat is too loose, it can fall off or not offer proper protection while outside in the hot sun.

How to Measure Hat Size for Baseball Caps

The easiest way to measure your head for a hat is to hold a piece of string and measure around your head where the cap will sit. Usually, this means you'd hold the string about 1/8 inch above the forehead and ears. Make sure not to pull the string too tight or hold it too loosely, or you won't get a perfect fit.

Then, holding your fingers at the point where it met on your head, lay the string next to a tape measure and compare the length to our cap sizing chart. If your measurement falls between sizes, choose the next largest size.

Hat Sizing Accessories

If your hat is just a bit too loose and you don't want to return it, you can purchase sizing tape to adjust the fit of your hat. A number of different types of sizing tapes are available to purchase at almost any hardware store. Cut a strip of sizing tape about four to six inches long, and place it behind the sweatband of your cap. You can also use a sizing strip on the front and back of the hat if needed.

For All Ages


You can find a baseball cap to fit both children and adults of all head sizes, ranging from infants to adults. Our fitted caps come in sizes as small as a cap size 6 up to a cap size 8.

If fitted caps aren't your thing, we also offer a number of adjustable caps that fit both children and adults of all head sizes. These caps are quite stylish and come with a fully adjustable strap for the perfect fit.

Our Chicago Products

Whether you are a fan of baseball (White Sox or Cubs), basketball, hockey or football in Chicago, we offer a wide variety of different styles of caps to best fit your sports fandom. Or if you're looking to support your home city of Chicago, you can also find a number of hat options to showcase your Chicago pride. Even for the city's fire department and their own soccer team!

Some of our bestsellers include fitted hats from the Chicago Cubs, Chicago White Sox, Chicago Bulls, Chicago Blackhawks, Chicago Bears and Chicago Fire FC.

Make sure to consult our fitted cap sizing chart before purchasing. If you have any further questions regarding measurements or specific sizes, do not hesitate to reach out to one of our sales professionals. You can reach us via email at or by phone at (773) 389-2505. Our office hours are Monday to Friday, between 10 a.m. and 5 p.m. CST, or Saturday, from 10 a.m. to 4 p.m. CST.

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