Choosing the right fabric for your custom BJJ gi matters more than most buyers realize. The wrong fabric weight can lead to overheating during training, faster wear in competition use, or a gi that feels stiff and uncomfortable to wear. The right fabric, on the other hand, gives your students or customers a gi that performs for years and reflects well on your brand.
At Onrox International, we manufacture BJJ gis in all major fabric constructions. This guide explains the key differences so you can order with confidence.
Understanding GSM in BJJ Gis
GSM stands for grams per square meter. It measures the weight and density of fabric. In BJJ gis, higher GSM generally means a heavier, more durable gi. Lower GSM means a lighter, more breathable gi.
Most competition organizations including IBJJF have minimum fabric weight requirements. A gi that is too light may not pass inspection at the weigh-in.
Pearl Weave — The Most Popular Choice
Weight: Available in 450gsm and 550gsm Feel: Soft, lightweight, flexible Durability: Moderate to high IBJJF compliance: Yes
Pearl weave is the industry standard for modern BJJ gis. The weave pattern creates a consistent, honeycomb-like texture that is lighter than gold or double weave but still passes IBJJF inspection.
Best for:
- Competition gis where weight management matters
- Academies ordering for daily training use
- Warm climates where breathability is important
- Brands wanting a premium look with a lighter feel
Recommended GSM: 450gsm for competition and hot climates; 550gsm for general training and colder environments.
Gold Weave — The Classic Training Choice
Weight: 550gsm (standard) Feel: Firm, structured, heavier than pearl weave Durability: High IBJJF compliance: Yes
Gold weave is the traditional BJJ gi fabric. It has a tighter, denser weave than pearl weave which makes it stiffer when new but extremely durable over time. Gold weave gis are often preferred by practitioners who train hard daily and want a gi that holds its shape under heavy use.
Best for:
- Hard training environments and tough training partners
- Practitioners who prefer a structured, firm feel
- Colder training environments
- Brands targeting serious competitors and blue-to-purple belt practitioners
Double Weave — Maximum Durability
Weight: 750gsm Feel: Heavy, stiff, extremely durable Durability: Very high IBJJF compliance: Typically yes, subject to specific event rules
Double weave is the heaviest standard BJJ gi fabric. It uses two layers of woven fabric making it resistant to tearing and significantly harder to grip than lighter gis. However, double weave gis are notably heavier and less breathable.
Best for:
- Maximum durability requirements
- Practitioners who compete at heavier weight classes and want the weight of the gi factored into their class
- Cold training environments
- Instructors and hobbyists who train less frequently and want a gi that lasts decades
Quick Comparison Table
| Feature | Pearl Weave | Gold Weave | Double Weave |
|---|---|---|---|
| GSM | 450–550 | 550 | 750 |
| Breathability | High | Medium | Low |
| Durability | Medium–High | High | Very High |
| Weight | Light | Medium | Heavy |
| IBJJF Legal | Yes | Yes | Usually |
| Best for | Competition / Daily | Hard training | Max durability |
Which Fabric Should You Order?
If you are ordering for a BJJ academy running a mix of beginner and competition classes: 550gsm pearl weave is the safest choice. It is comfortable for new students, legal for competition, and durable enough for daily training.
If you are ordering for a competition-focused brand: consider offering both 450gsm pearl weave for lighter weight classes and 550gsm for heavier classes.
If you are ordering for maximum training durability: gold weave 550gsm or double weave 750gsm.
Order Your Custom Gi from Onrox International
We manufacture custom BJJ gis in all fabric weights with your logo, your colors, and your specifications. Contact us via the Quote Request form or WhatsApp +92 300 6182218 for a free quote.
Frequently Asked Questions
What GSM is required for IBJJF competition? IBJJF does not publish a minimum GSM requirement but does require gis to pass a physical inspection. Pearl weave at 450gsm or above consistently passes.
Can I mix fabric weights in one order? Yes. We can manufacture different SKUs with different fabric weights within the same bulk order.
Does heavier GSM mean better quality? Not necessarily. Higher GSM means more durability and weight. For competition, lighter GSM is often preferred. For training longevity, heavier GSM is better.
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