Why are there little cotton balls on my BJJ Gi after using and washing? (Cotton Pilling)
- Battle Gear

- Jul 9
- 3 min read

The little cotton balls that form after use and washing are also known as cotton pilling.
1stly let's begin by understanding pilling on Brazilian Jiu Jitsu Cotton Uniforms
What is Pilling?
Pilling is the formation of small balls or clusters of fibres on the surface of a fabric. These tiny balls appear when loose fibres become tangled together due to friction and rubbing. In Brazilian Jiu Jitsu, this happens naturally because your uniform is constantly subjected to intense contact, gripping, dragging across mats, and repeated washing and drying.
In simple terms, the harder you train, the more opportunities there are for the cotton fibres to rub together and create pilling.
Why Does Pilling Occur?
Brazilian Jiu Jitsu is one of the most demanding sports for clothing. A gi is regularly exposed to:
Constant gripping and pulling
Friction from training partners and the mat
Abrasion from belts, rashguards, and other equipment
Repeated washing and drying cycles
These actions gradually loosen tiny fibres from the surface of the fabric. As they become entangled, they form the small pills that can be seen on certain areas of the uniform, particularly around the collar, sleeves, shoulders, and trouser knees.

Does Pilling Mean the Uniform is Poor Quality?
Absolutely not.
There is a common misconception that pilling is a sign of cheap or low-quality cotton. In reality, pilling is a natural characteristic of many cotton fabrics, including high-end textiles used in premium clothing and sportswear.
In fact, some high-quality natural fibres are more prone to pilling because they contain softer, finer fibres that can work their way to the fabric's surface. The appearance of pilling is largely influenced by:
The type of cotton used
The weave of the fabric
The intensity and frequency of use
Washing and care methods
Individual training habits
Pilling is generally considered a cosmetic issue rather than a structural defect.
Why Cotton BJJ Gis Pill
Brazilian Jiu Jitsu gis are made from cotton because cotton offers excellent benefits for grappling:
Comfort and breathability
Durability and strength
Moisture absorption
Softness that improves with wear
The same natural properties that make cotton comfortable and strong can also make it susceptible to surface pilling over time. Even some of the world's most respected and expensive gi brands experience pilling after regular use.
A gi that develops some pilling is absolutely NORMAL.
Does Pilling Affect Performance?
NO.
Pilling is usually only on the surface of the fabric and does not affect:
The structural integrity of the gi
The strength of the weave
The safety or performance of the uniform
The lifespan of the garment
Unless there is significant tearing, seam damage, or unusual fabric breakdown, pilling alone should not be considered a defect.
Reducing Pilling
Although pilling cannot always be prevented, you can minimise it by:
Washing your gi inside out.
Using a gentle wash cycle.
Avoiding high heat when drying.
Washing your gi separately from rough fabrics such as towels or clothing with zips.
Avoiding excessive use of fabric softeners.
Removing pills gently with a fabric comb or de-pilling tool if desired.
So...
Brazilian Jiu Jitsu is tough on equipment, and your gi goes through a tremendous amount of stress every time you step onto the mats. Some degree of pilling is a completely normal part of owning and training in a cotton uniform.
Rather than being a sign of poor quality, pilling is simply the result of natural fibres responding to friction and use. Look at it this way... a well-loved gi that shows a little pilling often tells a story of countless rounds, hard training sessions, and dedication to the art, those few small pills on the surface of your gi is just a badge of time spent on the mats. Go train!




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