How Should a BJJ Rash Guard Fit? - Granite Bay Jiu Jitsu
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It’s a new year and a new season to get back into your favorite martial art. But what if you don’t know where to start with things like gear or clothing? Josh Henry has created a beginner’s guide to selecting the BJJ rash guard that’s right for you. Happy rolling!

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Whether in non-contact or contact combat sports, the modern generation athletes are highly careful of their safety and hygiene. Disciplines like Brazilian Jiu Jitsu, Amateur Wrestling, and MMA involve intense grappling and submission tactics which risk infections and injuries through bodily and surface contacts. Rash Guards have been the perfect answer to this problem since the 2000s when they were derived from swim suits. These specially designed compression shirts aren’t just about style but key in improving comfort, performance, and hygiene during BJJ training. Unlike regular cotton shirts, rash guards are made with breathable materials like spandex, polyester, and nylon blends to offer a second-skin feel that ensures freedom of movement.

Rash guards help with skin protection, preventing mat burns and reducing the risk of infections that can spread in BJJ gyms during rolling sessions. Features like flatlock stitching enhance durability, while anti-bacterial material and odor resistance ensure hygiene is never compromised. Whether you’re training No-Gi BJJ or looking for custom rash guards for your team, picking the right gear from a trusted brand like Infinitude Fight can make a noticeable difference.

BJJ Rash Guards – What Makes them Essential for Your Training?

Jiu Jitsu requires a protective layer between practitioners to maintain safety against mat burns and rashes during training. Rash guards are compression shirts made from moisture wicking materials to prevent rashes during the intense rolls and grappling maneuvers in BJJ. Many athletes have also reported that their muscles recover faster while wearing rash guards as they improve blood flow and regulate body temperature.

Why Should You Invest in BJJ Compression Wear?

Many beginners wear cotton shirts for jiu jitsu training, which become sweaty during the intense movements and often cause discomfort. Switching to premium  BJJ Rash guards will ensure a completely different feel and allow you to train without risks of rashes or infections.

Prevents Sweat Accumulation

The consistent ground rolls and movements in BJJ account for unavoidable sweat, and without proper gear, it can become a nuisance. BJJ rash guards made with moisture-wicking fabrics like polyester and spandex pull sweat away from your skin to the outer surface, from where it evaporates. This helps you stay fresh and ensure a better grip throughout training sessions.

Minimize the Spread of Bacteria

Many Brazilian Jiu Jitsu gyms and training facilities lack space or are overcrowded, thus offering shared mats for practitioners. Such mats can harbor bacteria and germs due to the continuous sweat that sits on the surface. Wearing an anti-bacterial rash guard creates a protective barrier that reduces the chance of transmitting infections from the mat.

Prevents Mat Burns and Infections from Bodily Contact

Rash guards feature flatlock seams that allow them to comfortably follow your body movements without getting stretched or torn. This saves your body from rubbing against the training mat and getting in contact with any bacteria or sweat from the surface. In short, rash guards with durable fibers and elastic waistbands act as your second skin that takes in all the damage so you can master your favorite techniques comfortably.

Qualities of the Best BJJ Rash Guards to Look For

The right BJJ Rash Guard can transform your No-Gi uniform into a high-performing piece of training gear. Always choose premium-quality jiu jitsu gear from a reliable BJJ gear manufacturer that offers these features:

High Stretch Fabric

The best BJJ rash guards are made from stretchable fabric like spandex, lycra, or nylon blends. These materials offer a second-skin feel, ensuring flexibility for dynamic movements. Whether transitioning between positions or escaping submissions, a rash guard with a compression fit allows you to move freely without restrictions.

Flatlock Stitching for Durability

Flatlock stitching plays a critical role in extending the durability of your rash guard. This technique ensures the seams lay flat, preventing irritation and avoiding tears during intense BJJ training. It also adds to the rash guard’s lifespan, making it a reliable choice for frequent use.

Anti-Slip Rubber or Silicone Waistbands

A common complaint about cotton shirts and low quality rash guards is that they ride up during rolls, causing abrasions or burns. The ideal BJJ rash guards for training come with anti-slip rubber or silicone waistbands that keep them securely in place during intense movements.

Moisture-Wicking and Anti-Microbial Properties

Intense BJJ movements develop sweat that causes your hands to slip when performing moves. The moisture-wicking fabric of rash guards keeps you dry during intense training by absorbing the continuous sweat and transferring it to the outer layer.

Other Features to Consider

  • Lightweight design for maximum comfort.
  • UV protection for outdoor training or cross-training activities like surfing.
  • Sublimated prints that won’t crack or peel over time, ensuring your custom rash guard maintains its look.

Investing in high-performance rash guards with these qualities ensures you stay comfortable, safe, and confident during every session.

The IBJJF Rash Guard Rules – What You Need to Know

When competing in No-Gi BJJ, understanding the IBJJF rash guard rules is essential. These rules ensure that your gear is compliant and uniform across competitors.

Rank-Specific Colors:

  • White belts may wear white or black rash guards or a combination of these colors.
  • Higher belts must incorporate their rank color in the top 10% of the rash guard’s design.

Fit and Appearance:

  • The rash guard must have a compression fit and not be baggy.
  • Only IBJJF-approved rash guards with professional, clean designs are allowed.

Logos and Branding:

  • Designs should not include offensive imagery.
  • Logos and team branding are permitted if they comply with IBJJF standards.

Knowing these rules helps you avoid penalties and ensures you’re prepared for No-Gi competitions. Always check for updates on the official IBJJF website before purchasing competition rash guards.

Final Thoughts – Train in Premium Gear that Boosts Your Confidence

Choosing the right BJJ Rash Guard is an investment in your safety and success on the mats. High-quality options, whether custom rash guards or off-the-shelf designs, can improve your performance by ensuring a snug fit, freedom of movement, and proper skin protection.

For gym owners or teams, wholesale rash guards with team branding or personalized BJJ gear can strengthen team identity. Look for suppliers that offer affordable bulk options and custom rash guards with sublimated prints to keep designs vibrant and crack-free. Gear up with custom BJJ Rash Guards, providing the comfort, durability, and style needed for every session.

 

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