What is the Definition of a Mitt in Baseball?

Baseball, a sport enjoyed by millions across the globe, relies on specialized equipment not only to enhance performance but also for the safety of its players. One such essential piece of gear in baseball is the mitt, which plays a crucial role in the game. Serving as a large glove worn by the defending team players, a mitt assists in catching and fielding balls hit by a batter or thrown by a teammate. Traditionally made of leather, mitts can now be found in various materials that suit individual preferences and needs.

The design of a baseball mitt aims to provide maximum control over the caught ball. With a deeper pocket and webbed structure, mitts make it much easier to scoop up ground balls and short hops compared to a standard baseball glove. The distinctive features of mitts do not hinder players, as they do not need to throw the ball while using them.

Key Takeaways

  • A mitt is a crucial piece of baseball equipment used for catching and fielding balls.
  • Baseball mitts have a deeper pocket and webbed design for enhanced ball control.
  • The choice of mitt material and proper care can impact a player’s performance in baseball.

The Function of a Baseball Mitt

Catching and Fielding

A baseball mitt is a large glove worn by players on the defending team to assist them in catching and fielding balls hit by a batter or thrown by a teammate. Traditionally made of leather, modern-day mitts come in various materials. The mitt’s design, with its deeper pocket and webbed structure, provides better control over caught balls, making it easier for players to scoop up ground balls and short hops.


In addition to aiding in catching and fielding, baseball mitts also provide essential protection to players, especially when sliding into the base. Mitts protect a runner’s hands, wrists, and fingers from potential injuries while sliding, helping them reach the base faster and reducing the chances of getting tagged out.

Position-Based Design

Baseball mitts are specifically designed to suit different player positions. For example, a catcher’s mitt is shaped differently, almost funnel-like, to easily scoop up wild pitches. It must be no more than 38 inches in circumference or 15.5 inches from top to bottom, ensuring that the catcher has the optimal tool for their role in the game. Each position-specific design contributes to improving a player’s performance and overall team success.

History of Baseball Mitts

Early Mitts

In the 1800s, baseball players used to wrap their hands in rags or leather straps to protect themselves while catching the ball. As the game of baseball evolved, players began using specially designed mitts to effectively catch and manage the ball during play. The first baseball mitts were made of leather and featured basic padding and protection for the players’ hands.

Evolution and Innovations

With the development of the game and increasing pitch speeds, various innovations were introduced to baseball mitts. Catchers, in particular, needed more protection due to their close proximity to the batter and their responsibility to catch fast pitches. As a result, the catcher’s mitt was designed with a solid face barring a cleft between the thumb and index finger. Catcher’s mitts are also thickly padded, with the exception of the central area where the ball is to be caught. The circumference of these gloves cannot exceed 38 inches (96.5 cm), and the height from top to bottom must be within 15.5 inches (39.4 cm).

The increased adoption of overhand pitching in the 1800s also led to more protective mitts for fielders. Innovations over the years have included the use of more advanced materials, designs to improve fit and grip, as well as added padding for enhanced player safety. These developments have allowed baseball mitts to adapt to the changing needs of the game, and today baseball gloves are available in various styles and materials suited to each player’s position and preferences.

Types of Baseball Mitts

Catcher’s Mitt

A catcher’s mitt is designed specifically for the catcher position. This type of mitt features an oval-shaped pocket and is measured in circumference. Catcher’s mitts typically have a closed web design and offer more padding than traditional fielder’s gloves, providing protection and support as the catcher catches fast pitches thrown by the pitcher.

First Baseman’s Mitt

The first baseman’s mitt is designed for players at the first base position. This mitt is characterized by its long, wide, and fingerless design, which assists in scooping up balls from the ground or catching throws from infielders. The deep pocket feature of this mitt allows for a secure receipt and grip on the ball. Generally, these gloves have a pattern size of around 12.5 inches, measured from the tip of the index finger to the wrist.

Infielder’s Mitt

Infielder’s mitts are designed for players at the second base, shortstop, and third base positions. These mitts have a more shallow pocket, allowing for quick transfers from glove to hand when making throws. Infielder’s gloves typically have a smaller size, ranging from 11 to 12 inches in length, and often feature various web designs such as I-web, H-web, and single post web.

Outfielder’s Mitt

Outfielder’s mitts are specifically designed for players in the outfield. These mitts have a deeper pocket and longer length, typically between 12 and 13 inches, to provide extra reach and secure catches of fly balls. Outfielder’s gloves also feature various web designs, including trapeze, H-web, and modified trapeze, to aid in visibility when catching high fly balls or line drives.

Pitcher’s Mitt

While pitchers often use infielder’s gloves, some prefer a specialized pitcher’s mitt. These mitts generally have a closed web design to help conceal the grip on the ball, preventing the batter from gaining an advantage by seeing the type of pitch being thrown. Pitcher’s mitts usually have a size range similar to infielder’s mitts, between 11 and 12 inches.

Materials and Construction

Leather Types

There are several types of leather used in the construction of a baseball mitt, each providing unique qualities. Some common materials include:

  • Full Grain: This leather is known for its durability and longevity, making it a popular choice for higher-quality gloves.
  • Kip Leather (Kipskin): This material is softer and more lightweight than full grain leather, allowing for a quicker break-in period for the glove.
  • Steerhide: Steerhide is heavier and stronger than both full grain and kip leather, making it a popular choice for gloves that require extra protection, such as catcher’s mitts.

Size and Weight

Baseball mitts come in various sizes and weights to accommodate different player positions and preferences. Key factors to consider include:

  • Infield Gloves: These gloves are typically smaller and lighter, with a shallow pocket to allow for quick transfers of the ball from glove to hand. Infield gloves usually range from 10 to 12 inches in size.
  • Outfield Gloves: Outfield gloves are larger and have deeper pockets, providing more reach and cushioning for catching fly balls. They typically range from 12 to 15 inches in size.
  • Catcher’s Mitt: Catcher’s mitts feature a unique rounded shape, extra padding, and a deep pocket to help catch and control fast-moving pitches. Their size usually ranges from 31 to 34 inches.
  • First Base Mitt: First base mitts offer a combination of features from infield and outfield gloves. They have a deeper pocket to scoop up ground balls and a larger overall size (usually around 12 to 14 inches) to provide more reach.

In conclusion, baseball mitts come in a variety of materials and sizes to suit the specific needs of players at different positions. Understanding the different types of leather and mitt specifications can help players choose a glove that provides the right balance of durability, comfort, and functionality.

Mitt Care and Maintenance

Proper Break-In

A critical aspect of maintaining your baseball mitt is ensuring a proper break-in. A well-broken mitt will not only improve your performance on the field but also ensure a longer mitt lifespan.

  1. Begin by applying a leather-safe glove conditioner to soften the leather. It will make the break-in process faster and more effective.
  2. Fold the mitt and use a rubber band, ball, or tie to keep it in a folded position. Be sure to put a ball in the pocket to help create its shape.
  3. Leave the mitt folded for at least 24 hours, and then remove the bindings and work the mitt with your hands.
  4. Play catch with your mitt regularly. This is one of the best ways to mold the mitt to your hand and break it in properly.

Remember, patience is key. Properly breaking in a mitt takes time, so avoid rushing the process or using shortcuts that could damage the mitt’s leather.

Cleaning and Conditioning

Regular cleaning and conditioning are vital for keeping your mitt in top-notch condition.

  • Cleaning: To clean your mitt, combine equal parts vinegar, lemon juice, and water. Use a cloth to gently wipe down the exterior and interior surfaces of the mitt. Avoid using cleaners made for saddles or shoes, as these can leave a slick surface that may gunk up on the mitt.
  • Conditioning: Conditioning your mitt is essential to keeping the leather soft, flexible, and crack-free. Use an oil specifically designed for leather, such as mink oil or neatsfoot oil. Apply a small amount of oil to a cloth, then gently rub it into the mitt, making sure to cover all surfaces. Do not over-apply oil, as this can cause the mitt to become heavy and lose its shape.

Perform these maintenance tasks regularly to keep your baseball mitt in optimal condition and enjoy better performance on the field.

Choosing the Right Mitt

Fit and Comfort

When selecting a baseball mitt, it is crucial to prioritize fit and comfort to ensure optimal performance on the field. A properly fitting glove should feel snug but not too tight, allowing for flexibility without compromising the grip. Make sure the mitt can open and close easily when catching and releasing the ball. Check for any uncomfortable pinching or pressure points, as these may lead to discomfort during games and practices.

Skill Level

The choice of baseball mitt should also align with your skill level and position. For beginners, a versatile all-purpose glove can be a suitable option, enabling them to experience different positions and learn the fundamentals of the game. However, more advanced players, who have honed their specific position on the field, should opt for a glove designed for that position. For instance, a first baseman’s mitt is longer with a curved edge, while a catcher’s mitt is fingerless, heavily padded, and has tight, shallow pockets.


Lastly, consider your budget when choosing a baseball mitt. While it may be tempting to invest in expensive, high-quality mitts, they are not always necessary for every player. In general, younger and casual players can manage with more affordable gloves that still offer adequate protection and performance. As you progress in skill and commitment to the sport, it might be worth investing in a higher-quality mitt that matches your specific needs and preferences. Keep in mind that spending more on a glove does not always guarantee better quality or performance, so ensure that the mitt meets your requirements in terms of fit, comfort, and suitability for your position and skill level.