Karate Gi Weight Guide: 7oz vs 8oz vs 14oz

Karate Gi Weight Guide: 7oz vs 8oz vs 14oz

One of the most common questions when buying a karate gi is: what weight do I need? The weight of a gi refers to the fabric weight in ounces per square yard. It affects how the suit feels, moves and looks — and the right choice depends on how and where you train.

What Does Karate Gi Weight Mean?

Karate gi weight is measured in ounces (oz). A higher number means heavier, thicker fabric. Lighter gi are more breathable and flexible; heavier gi are more structured and durable. The weight you need depends on your discipline, grade and whether you compete.

7oz Karate Gi — Best for Beginners & Kumite

A 7oz gi is the lightest commonly available weight. It's ideal for:

• Beginners — Affordable, comfortable and easy to move in for first lessons and regular club training
• Kumite training — The lightweight fabric allows maximum freedom of movement for sparring
• Hot weather training — Breathable and less likely to cause overheating during intense sessions
• Children — Light enough for younger students to train comfortably

Popular 7oz options include the Cimac 7oz Karate Gi — a great value choice for beginners and regular club use.

8oz Karate Gi — The All-Rounder

An 8oz gi sits between lightweight and heavyweight. It's the most versatile weight and the most popular choice for club training. It's suitable for:

• Regular club training — Durable enough for frequent use without being too heavy
• Intermediate students — A step up from 7oz as you progress through the grades
• Both kata and kumite training — Versatile enough for all-round club use

The Cimac 8oz and Adidas Club gi are popular 8oz choices stocked at Budo Online.

14oz Karate Gi — For Kata Competition

A 14oz gi is a heavyweight tournament suit designed specifically for kata competitors. The heavier fabric:

• Creates a crisp, structured appearance during kata performance
• Produces the distinctive snapping sound when techniques are executed correctly
• Holds its shape better under the scrutiny of competition judges
• Is available in European and Japanese cuts

14oz gi are not recommended for everyday training — they are heavier, less breathable and more expensive. They are a specialist purchase for kata competitors. Browse our heavyweight kata gi range including the Cimac Gold 14oz and Adidas WKF Japanese Cut.

Specialist Kumite Gi — Under 7oz

For serious kumite competitors, specialist competition gi are available that are even lighter than standard 7oz suits. These WKF-approved suits — such as the Adidas AdiZero and K150 — are designed for maximum speed and freedom of movement at competition level. They are not suitable for everyday training due to their delicate construction.

Which Weight Should I Choose?

• Just starting out? — 7oz or 8oz from Cimac or Owari
• Regular club training? — 8oz is the most practical all-rounder
• Kata competitor? — 14oz in European or Japanese cut
• Kumite competitor? — Specialist lightweight WKF-approved gi

Shop by Weight at Budo Online

Browse our full karate gi range with free UK delivery over £70. All weights and styles in stock from Adidas, Owari and Cimac.