What Are The Baseball Cap Sizes? Complete Guide

Baseball caps are a great way to stay in style while protecting yourself from the sun or hiding a bad hair day, but they can be a bit confusing when it comes to sizing. Have you ever purchased a hat online, only to receive it and find out it doesn’t fit quite right? Fear not, as we are here to provide you with a complete guide to baseball cap sizes.

In this blog post, we will explore the different sizes available and how to measure your head to ensure the perfect fit, regardless of where you buy your cap from. Don’t let sizing woes detract from your love of this classic accessory – read on and become a pro on baseball cap sizes!

Different Types of Baseball Caps and Their Sizing

Baseball caps are a popular accessory for many people, whether they use them for fashion or function. These caps come in different styles and sizes, making it essential to know which type of cap will fit your head best. Here are the different types of baseball caps and how to size them properly:

1. Snapback caps

Snapback caps are caps with an adjustable closure at the back, usually made up of plastic snaps. They are traditional hats, and their style has evolved into a fashion statement. Snapback caps have a large front panel, and they fit all head sizes from small to large. To size a snapback cap, measure the circumference of your head and match it with the hat’s size chart. Snapback caps usually have a range of 20.5 inches to 24 inches in circumference.

2. Fitted caps

Fitted caps, as the name suggests, are hats that fit snuggly on your head without any adjustable closure. A hat’s size depends on its head circumference, which is why you need to know your head size before purchasing a fitted cap. Fitted caps come in sizes ranging from six and seven-eighths (6 7/8) to eight (8) for adults. To size a fitted cap, measure the circumference of your head at the widest point, just above the eyebrows and ears.

3. Adjustable Caps

Adjustable caps are similar to snapbacks, with an adjustable closure at the back, but they have a different style. They come with a cloth strap or a Velcro strap at the back to adjust and secure them around your head. These caps are a great option for people who prefer a comfortable yet secure-fitting hat. Adjustable caps come in a standard size, fitting head sizes that range from small to large. The caps usually have a circumference range of 20.5 inches to 24 inches.

 Baseball Cap Sizing Chart

How To Determine Baseball Cap sizes

One of the critical factors that determine the perfect fit of a baseball cap is the size. Baseball caps come in various sizes, ranging from small to extra-large, and it is essential to choose the right size to avoid discomfort or even headaches caused by wearing a cap that is too tight or too loose.

The baseball cap sizing chart is a helpful tool that provides accurate sizing information for different head shapes and sizes, ensuring that everyone can find the perfect cap fit.

Here is a general baseball cap sizing chart for men and women:

Cap sizeHead circumference (inches)Head circumference (cm)
Small21 1/8 – 21 1/254 – 55
Medium21 7/8 – 22 1/456 – 57
Large22 5/8 – 2358 – 59
XLarge23 1/2 – 23 7/860 – 61
XXLarge24 1/4 – 24 5/862 – 63

Note: Some brands may have slightly different measurements for their sizing. It is best to consult with their specific sizing chart for the best fit.

Related: Baseball Bat Dimensions

Children’s Baseball Cap Size Chart:

SizeCircumference (in.)Circumference (cm)

How to measure your head for a perfect fit?

To measure your head for a perfect fit, follow these steps:

  • Grab a soft measuring tape or a string and a ruler.
  • Start by wrapping the measuring tape or string around your forehead, about ½ inch above your eyebrows.
  • Make sure the tape is straight and snug, but not too tight. You want it to be comfortable.
  • Hold the measurement and jot it down.
  • Measure the widest part of your head, slightly above your ears and around the back of your head.
  • Once again, make sure the measuring tape is straight and snug, but not too tight, and hold the measurement.
  • Compare the two measurements to choose the appropriate hat size according to the size chart of the brand you wish to purchase from.
  • If your measurements fall between sizes, it’s best to go with the larger size for a more comfortable fit.

Remember, measuring your head is crucial for finding the right size hat. A hat that’s too tight can cause headaches and be uncomfortable, and a hat that’s too loose can easily slip off.

Factors to Consider When Choosing the Right Size

When it comes to choosing the right size of a baseball cap, there are several factors to consider. Each factor can impact the sizing process, and it’s essential to keep these in mind to ensure that you end up with the perfect fit.

Some of the critical factors to consider when choosing the right size of a baseball cap include the style, material, and manufacturer.

  1. Style: Different styles of baseball caps have different ways of fitting on your head. For example, snapback caps usually have an adjustable strap at the back, while fitted caps have a fixed size that will offer a more tailored fit. It’s essential to choose a style that suits you, but it’s also important to consider how that style might impact the sizing process.
  2. Material: The material of the cap can also impact the sizing process. For example, if the cap is made of a stretchy material like spandex or elastic, it might offer more flexibility in terms of fitting. However, if the material is more rigid, such as denim or cotton, you’ll need to be more precise in choosing the right size.
  3. Manufacturer: Different manufacturers may have different sizing standards, which can make it difficult to choose the right size. For example, some manufacturers’ size charts might be based on head circumference, while others might be based on hat size. It’s important to check the manufacturer’s sizing chart before purchasing to ensure you choose the correct size.

Is it possible to shrink a fitted Baseball Cap?

Technically, it is possible to shrink a fitted baseball cap. However, it is important to note that shrinking a cap may not always result in a perfect fit and can potentially damage the cap. Here are a few things to keep in mind if you are considering shrinking your fitted baseball cap:

  1. Material of the cap: The type of material the cap is made of will determine whether or not it can be successfully shrunk. Caps made from natural fibers like cotton or wool will generally shrink more easily than caps made from synthetic materials.
  2. Method of shrinking: There are several ways to shrink a fitted baseball cap, including hot water, a clothes dryer, or a steam iron. Each method has its own advantages and disadvantages, so it’s important to research and choose the one that is most appropriate for your cap.
  3. Degree of shrinkage: The amount that a cap will shrink depends on its material, the method used to shrink it, and how long it is left to shrink. It is important to note that shrinking a cap too much can damage it and ruin its shape.

Famous Brands of Baseball Caps:

Famous Brands of Baseball Caps

There are numerous famous brands of baseball caps, each with its unique style and design. Here are some of the most popular ones:

  1. New Era: This is one of the most recognizable and iconic baseball cap brands worldwide. They are known for their fitted caps and have been the official on-field cap supplier for Major League Baseball since 1993.
  2. Nike: Nike is a well-known brand that produces various sports products, including baseball caps. They are famous for their sleek and stylish designs and are a favorite among athletes.
  3. Adidas: Adidas is another leading brand in the sports industry that produces high-quality baseball caps. Their caps are recognized for their excellent fit and comfort.
  4. Under Armour: Under Armour is a brand that focuses on producing performance gear for athletes. Their baseball caps are designed to be comfortable and breathable, making them ideal for outdoor sports.
  5. Puma: Puma is a trendy brand that produces stylish baseball caps. Their caps feature bold logos and unique designs that make them stand out from other brands.
  6. Columbia: Columbia is known for producing high-quality outdoor gear, and their baseball caps are no exception. They are designed to be durable and provide excellent sun protection.
  7. Carhartt: Carhartt is a brand that specializes in workwear and produces baseball caps that are tough and durable. Their caps are ideal for those who work outdoors and need a cap that can withstand harsh conditions.


How do I know my baseball cap size?

To know your baseball cap size, you can measure the circumference of your head right above your eyebrows using a measuring tape.

What is a size 7 baseball hat?

A size 7 baseball hat typically measures around 22 inches in circumference.

Do baseball caps come in different sizes?

Yes, baseball caps do come in different sizes to fit different head sizes and shapes.

What size is a standard baseball hat?

The standard baseball hat size is usually around 7 ⅜ or 58 cm in circumference.

Leave a Comment