Scarlet Period | Underwear Bundles

Mixed underwear sets across every flow tier, all PFAS-free, all independently lab tested, all built to last around two years. Enough pairs to get through a cycle without doing laundry maths on day three.

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Scarlet Period The First Flow Kit
Scarlet Period Boyshort – PFAS-free, Heavy overnight absorbency, Organic Cotton

First Flow Kit

Leak-free basics to start with confidence.

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$128.00 $148.00
Scarlet Period The Heavy Days Bundle | PFAS-free Boyshort & High-Waisted Brief
Scarlet Period High-Waisted Brief | Leakproof, PFAS-free, Moderate Absorbency

Heavy Days Set

Built for heavy days and longer nights.

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$45.00 $51.00
Scarlet Period The Sultry Days Set | Period G-String & Invisible Thong
Scarlet Period G-String | Leakproof, Light Absorbency, PFAS-free, Organic Cotton

Sultry Days Set

Tight pants. Light flow. Sorted.

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$36.00 $42.00
Scarlet Period On-The-Go Set
Scarlet Period Bikini Brief and G-String

On-The-Go Set

Less period admin. More getting on with it.

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$39.00 $46.00

Stock up, stop rinsing the same pair in the sink at 11pm

Mixed sets across the flow tiers, all PFAS-free, all independently lab tested, all built to last around two years. Enough pairs to get through a cycle without doing laundry maths on day three, and a mesh wash bag so the machine doesn't chew them. Stock up once, rotate for years, and let the sink go back to being a sink.

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How many pairs you actually need

Five to seven gets you through a cycle without a mid-week wash. Three works if you're organised and quick with a sink. One pair is a trial.

Should I mix styles or stay in one

Mix. Most people bleed differently across the week, so a heavy pair for day two and lighter pairs either side beats five of the same thing.

What if I want three of one style

Every product page has a three-pair option and the saving applies automatically at checkout. No code.

Is it really cheaper than disposables

A lifetime of pads and tampons is around 11,000 products. A bundle is a one-off that lasts about two years.

How do I wash them

Cold rinse until the water runs clear, cold machine wash, mild detergent, no bleach and no softener.