How much do they hold?

Every Cooch pair is rated by how much flow it can handle, measured in tampon equivalents so you know exactly what you're getting.

Light (1 to 2 tampons worth)
Perfect for the last days of your cycle, spotting, or as backup with a cup or tampon on lighter days. The Cindy Period Thong is our light protection style.

Regular (2 to 3 tampons worth)
Your go-to for regular flow days when you want reliable all-day coverage without overthinking it. The Cole Period Panty and The Vallie Period Panty both offer regular protection.

Heavy (3 to 4 tampons worth)
Built for your heaviest days and overnight wear. When you need to know you are covered front to back, all night long. The Revie Period Shorty and The Katie Brief are our heavy protection styles.

Not sure where your flow sits? Start with regular protection. Most people find it covers the majority of their cycle, and you can add a light or heavy pair once you know what you need.

Which style is right for you?

All Cooch styles are made from the same ultra-soft OEKO-TEX certified bamboo blend and use the same leak-proof gusset technology. The difference is the cut, coverage, and absorbency level.


The Cindy Period Thong
A sleek thong that disappears under anything. Light protection for the start and finish of your period, the gym, a date night, or any day you want seamless coverage under your clothes. Versatile enough to reach for across multiple days of your cycle. Sizes 6 to 18.

The Cole Period Panty
A mid-rise full coverage panty for regular to heavy flow days. The everyday workhorse you never have to think about. Sizes 6 to 18.

The Vallie Period Panty
A high-rise, high-cut panty with a flattering elongated silhouette. Same regular protection as the Cole with a style that sits beautifully under clothes and looks just as good off. Sizes 6 to 18.

The Katie Brief
Heavy protection in a classic brief cut. A mid-rise slim waistband and low-cut leg keep it smooth and supportive all day long. Sizes 6 to 18.

The Revie Period Shorty
Our highest absorbency style in a full coverage shorty cut. Built for overnight wear and heavy flow days. We recommend sizing up for the most comfortable overnight fit. Sizes 6 to 18.

The Daley Thong
An organic bamboo thong we cut the markup on to give you a genuinely good quality everyday bamboo underwear for less. Not a period pair just the same ultra-soft OEKO-TEX bamboo in a classic thong cut for the rest of the month. Sizes 6 to 18.

How many do I need?
Most people need 8 to 10 pairs to comfortably get through their cycle without extra washing. Our bundles are the easiest way to build your rotation and save at the same time.

What are Cooch undies made from?

We use all OEKO-TEX certified fabrics across the entire Cooch range. The main fabric is an organic Tencel bamboo, chosen for its natural softness, breathability, and antibacterial properties. A small amount of OEKO-TEX certified polyester is blended in to enhance durability, shape retention, and absorbency performance. This thoughtful mix means you get the natural comfort of organic bamboo with the reliable protection you actually need.

We went through years of testing to get here. Years of wearing, bleeding through, adjusting the composition, and starting again. We tested fabric blends that felt great but couldn't hold up. Blends that performed but felt stiff or synthetic. Getting to COOCH took real, unglamorous iteration and we wouldn't have it any other way, because the result is a pair you can genuinely trust.

We are also continuing to explore and develop new fabric compositions. As better materials emerge and our understanding deepens, we will keep pushing to make Cooch even better.

OEKO-TEX Standard 100 certified
Every fabric used in Cooch underwear is certified to OEKO-TEX Standard 100, one of the world's most recognised textile safety certifications. It means every component has been tested for harmful substances and meets strict environmental and social production standards. You can wear Cooch knowing exactly what is against your skin.

The gusset technology
The leak-proof gusset is a three-layer system engineered to keep you dry and protected.

Moisture-wicking layer: the innermost layer sits against your skin and draws moisture away quickly, keeping you feeling dry throughout the day.

Ultra-absorbent core: the middle layer locks in fluid effectively, preventing leaks and keeping everything contained.

Leak-resistant barrier: the outer layer provides a final line of protection, giving you the confidence that nothing gets through.

Ethically made
Every pair of Cooch underwear is produced under ethical manufacturing conditions, with fair wages, safe working environments, and responsible production practices. We believe feeling good in what you wear means knowing it was made well.

How to care for your Cooch undies

Looking after your Cooch pairs properly means they will stay soft, absorbent, and long-lasting for much longer. Follow these simple steps and they will keep performing wash after wash.

Step 1: Rinse in cold water straight away
After wearing, rinse your Cooch in cold water as soon as you can. This removes the majority of fluid before it sets into the fabric. Cold water only, never hot, as heat can damage the absorbent layers.

Step 2: Allow to dry before washing
Let your rinsed pair air dry before putting them in the wash. This protects the gusset layers and keeps the fabric performing at its best.

Step 3: Machine wash on a delicate cycle
Pop them in your Cooch Wash Bag and wash on a delicate or gentle cycle. The Wash Bag protects the fabric from friction and tangling with other items in the machine, extending the life of your undies significantly.

Step 4: Air dry
Always air dry your Cooch undies. Avoid tumble drying as heat can break down the absorbent layers over time.

A few things to avoid
No fabric softener. Softener coats the fibres and reduces absorbency over time.
No bleach. Bleach damages the fabric and the gusset technology.
No hot water. Always rinse and wash in cold or cool water.