A rash guard is an athletic shirt designed for contact sports such as BJJ to protect against skin irritation, rashes, and UV rays while providing a better grip and reducing sweat during grappling.


BJJ Rash Guard

The term “rash guard” refers to the protective function the shirt provides against skin irritation and rashes caused by friction between the skin and mat or opponent’s skin. It is a martial art that combines Brazilian jiu-jitsu (BJJ) and judo. It uses a judo gi, similar to a judogi but with a thin, stretchy material on the top half of the uniform. The gi also features shoulder patches and sleeves with the same colour scheme as the rest of the uniform.


Rash guards are designed to protect your skin from getting scratched or bruised during training sessions. They’re made from a lightweight and quick-drying material that is both comfortable to wear and helps prevent skin irritation. They are usually tight-fitting to reduce grappling drag and feature flat-lock seams to minimize chafing. BJJ Rash guards also offer protection from the sun’s Ultra Violation radiation, which can hurt the skin.

Rash guard Uses

Many martial arts practitioners use rash guards, including krav maga fighters and wrestlers. They’re also popular among MMA fighters and other combat athletes who want to protect their skin while they train.

Wear And tear

Rash guards are commonly worn by fighters in Brazilian jiu-jitsu competitions, where they wear them under their gis. It covers the whole body from your head to your toes! The rash guard is worn over other clothes, so it doesn’t affect how you move or fight; it protects the skin from getting injured during training or competition.

Benefits Of wearing BJJ Rash Guard

Wearing a rash guard in Brazilian Jiu-Jitsu (BJJ) provides many benefits:

  1. Skin protection: Rash guards help protect the skin from mat burns, friction, and other forms of abrasion.
  2. Hygiene: The tight-fitting and quick-drying material of rash guards helps to reduce the risk of skin infections and transmission of infectious diseases.
  3. Performance enhancement: Rash guards improve blood flow and reduce muscle fatigue, allowing you to train longer and harder.
  4. No-slip grip: Rash guards prevent opponents from gaining a hold on your skin, making it more difficult for them to execute submissions and throws.
  5. Sun protection: Rash guards provide UPF protection, blocking harmful Ultra violet rays and reducing the risk of sunburn.

The rash guard is an essential gear for many practitioners to enhance performance, provide comfort and increase safety during training and competition. 


Tip: To ensure a comfortable and practical BJJ training experience, wear only a well-fitting rash guard made of a moisture-wicking material that extends below the waistline. Any time you use it, wash the BJJ rash guard and hang it in sunlight to dry, maintain its shape, and prevent shrinkage. Maintaining good hygiene by wearing a clean rash guard to every training session will also help prevent skin infections.


Factors to Consider When Choosing a Rash Guard


Rash guards are made from different materials, including polyester, spandex, and nylon. Polyester and spandex provide a comfortable fit, while nylon is more durable.


Comfort is a crucial factor when choosing a Bjj rash guard. It will help if you are looking for a rash guard that fits snugly but is not too tight and is comfortable to wear for long periods.


BJJ training can be tough on your gear, so you should look for a rash guard built to last. Look for one made from high-quality materials and designed to withstand the demands of BJJ training.


Rash guards should fit snugly but not too tight. Make sure to choose the correct size based on the manufacturer’s size chart to ensure a comfortable fit.

Types of Rash Guards

Different types of rash guards are available in the market, each designed for specific training needs. Some of the commonly used types of rash guards are:


Note: you’ll be able to move around with greater ease, but you may also experience a rash on your skin. This rash is caused by friction between your body and the rash guard, which can irritate you. This can be avoided by wearing stretchy material that won’t scratch.



A world apparelent BJJ rash guard is an essential gear for any BJJ practitioner. It provides comfort and protection and helps prevent skin irritation and infections. When choosing a rash guard, consider factors such as material, comfort, durability, and size to ensure that you find the right one for your training needs.

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