How to Choose the Right Karate Gi Size

Choosing the right Karate Gi size makes is absolutely vital to your comfort, ability to move fluidly and overall confidence during training.

Most Karate Gis are sized according to the wearer’s height. However, body shape, fabric shrinkage and the cut of the uniform can affect the fit, especially over time.

Here’s a simple guide to help you choose the right size.
Please note each brand may have slightly different size guides.

Karate Gi Size Chart

Does a Karate Gi Shrink?

Karate Gis can shrink after washing, particularly those made from cotton.

Poly-cotton uniforms generally experience less shrinkage and are a popular choice for beginners, children and regular club training. Polyester performance Gis usually have low shrinkage and dry alot faster in comparison.

Always ensure to follow the care instructions supplied with your Gi, typically found on the neck, or waist.

Training, Kata and Kumite Cuts

Not all Karate Gis are the same, pay close attention to the 'cut' which is usually indicated in the name or description of the product. This varies the Gi's materials, sizing and intended use.

Training Gi

A standard training Gi offers a comfortable all-round fit. It is generally the best option for beginners, regular classes and grading.

Kata Gi

Kata Gis are often made from heavier, structured fabric. Some feature shorter sleeves and trousers, a longer jacket and a roomier traditional cut. This provides the user with a better 'snap' when performing katas.

Kumite Gi

Kumite Gis are generally lighter and designed for speed and unrestricted movement. They may have a more streamlined cut and use fast-drying performance fabric. These are built for performance over style.

How Should a Karate Gi Fit?

A Karate Gi should feel comfortable and allow unrestricted movement.

The jacket should:

• Overlap comfortably across the chest
• Allow free movement through the shoulders and arms
• Remain secure when punching, blocking and moving
• Not have sleeves that cover the hands

The pants should:

• Sit securely around the waist
• Allow comfortable kicking and deep stances
• Provide enough room through the hips and thighs
• Finish above the floor without dragging under the heel

Try a few basic movements such as raising your arms, squatting and performing a kick. The Gi should not pull tightly or restrict your movement.

What If You Are Between Sizes?

If you fall between two sizes, consider your build and preferred fit.

Choose the larger size if:

• You have a broader or heavier build
• You prefer a roomier fit
• The gi contains cotton and may shrink
• You are buying for a growing child

Choose the smaller size if:

• You have a slim build
• You prefer a shorter, more fitted uniform

Quick Sizing Checklist

Before choosing your Karate Gi:

1. Measure your height in barefoot.
2. Find the matching height on the product’s size chart.
3. Consider whether you have a slim, average or broad build.
4. Check the fabric and shrinkage information if available.
5. Allow sensible growing room when buying for a child.
6. Don't forget to ask your instructor about any dojo or competition requirements.

Final Recommendation

For most people, the best starting point is the Karate Gi size that matches their height.

You may need to move up a size for a broader build, growing room or possible shrinkage. A slimmer wearer may prefer the closer or smaller size, provided the uniform still allows unrestricted movement.

Still unsure?

The team at Shogun Martial Arts can help you compare sizes, fabrics and cuts. Explore our complete Karate Gi and uniform range, or contact us through live chat for sizing advice.