Heavy Absorbency (up to 6-8 tampons)

Boxer Short

£30.00

- 0% Sold out

Holds 30-40ml (up to 5 pads)

Leakproof & Odour-Proof

All-Day Comfort & Reusable

Size: S —

size chart

Size Guide (UK & US)

Size	Waist (cm/in)	Hip (cm/in)	UK Size	US Size
S	64–70cm / 25.5–27.5"	81–89cm / 34–37"	UK 6–8	US 2–4
M	68–74cm / 27–29"	85–93cm / 36–39"	UK 8–10	US 4–6
L	72–78cm / 28.5–30.5"	89–97cm / 38–41"	UK 10–12	US 6–8
XL	76–82cm / 30–32"	93–101cm / 40–43"	UK 12–14	US 8–10
XXL	80–86cm / 31.5–33.5"	97–103cm / 42–44"	UK 14–16	US 10–12

S

Waist: 64–70cm / 25.5–27.5"
Hip: 81–89cm / 34–37"
UK Size: UK 6–8
US Size: US 2–4

M

Waist: 68–74cm / 27–29"
Hip: 85–93cm / 36–39"
UK Size: UK 8–10
US Size: US 4–6

L

Waist: 72–78cm / 28.5–30.5"
Hip: 89–97cm / 38–41"
UK Size: UK 10–12
US Size: US 6–8

XL

Waist: 76–82cm / 30–32"
Hip: 93–101cm / 40–43"
UK Size: UK 12–14
US Size: US 8–10

XXL

Waist: 80–86cm / 31.5–33.5"
Hip: 97–103cm / 42–44"
UK Size: UK 14–16
US Size: US 10–12

S M L XL 2XL

Why you'll Love it

skin-safe fabric, OEKO-TEX® certified, free from harmful substances.

everyday comfort, Feels like your favourite underwear, not period gear.

front-to-back barrier, keeps you safe sitting, sleeping, or on the go.

How It works

our heavy-duty core absorbs 30–40ml (≈6 tampons or 3 pads) for reliable protection.

multi-layer bamboo fabric is naturally antibacterial, helping lock in leaks and stop odour.

enjoy up to 8 hours of fresh, dry comfort (flow-dependent) — so you can move through your day with confidence.

Care guide

give them a quick cold rinse before popping them in a gentle wash, then hang to dry. Simple steps to keep them lasting cycle after cycle

Fabric

Lining Layer: 95% Cotton, 5% Spandex

Middle Layer: 390gsm, 80% Polyester, 20% Nylon + Breathable PUL

Outer Layer: 95% Bamboo, 5% Spandex

our underwear is certified according to OEKO-TEX STANDARD 100

Shipping & returns

we offer a 14-day return policy. You have 14 days from receiving your order to request a return.

to be eligible:

items must be unused, unopened, and in their original sealed packaging
must include hygiene seal (if applicable)
customers are responsible for the cost of return shipping

View full details

absorbency guide

Absorbency Guide – Find Your Flow

Level	Capacity
Light	up to 15–20 ml
Moderate	up to 20–30 ml
Heavy	up to 30–40 ml

Light

Capacity: up to 15–20 ml

Moderate

Capacity: up to 20–30 ml

Heavy

Capacity: up to 30–40 ml

£30.00

MYRA

Boxer Short

£30.00

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Leakproof Protection

PFAS FREE

Up to 8 Hours Wear

Dry Feel

Breathable, moisture-wicking fabric keeps you feeling fresh and dry

Odour Control

Antibacterial technology helps prevent odours from hanging around

Absorbent

Multi-layer design holds up to 6 regular tampons worth

Still have questions?

How does Myra period underwear work?

Our multi-layer gusset is the secret to comfort and protection.

A soft, moisture-wicking top layer keeps you dry.

An absorbent core locks fluid away.

A leak-resistant shield helps stop leaks.

Finished with an outer fabric designed for comfort and style, so you feel protected and confident all day.

Each layer works together to give you breathable, reusable protection, that feels just like your regular underwear.

How long can I wear them?

Most people wear myra undies for 8–12 hours, depending on their flow. On heavier days, you might prefer to change sooner, just like you would with pads or tampons.

Do I need to wear a pad or tampon as well?

Myra period underwear is made to be worn on its own. With absorbency levels from light to heavy, it’s designed to fully replace pads and tampons

Are they hygienic?

Yes! Myra underwear is made with OEKO-TEX® Standard 100 certified fabrics that are tested for harmful substances. plus, the built-in antibacterial layers help control odour and keep you feeling fresh

How do I wash them?

After wearing, just rinse in cold water, then machine wash on a gentle cold cycle and hang to dry.

With proper care, each pair lasts for years, replacing 200+ disposables check out our full Wash Guide

Who are they for?

Myra period underwear is made for anyone with a period, from teens to adults. They’re also a great choice for light bladder leaks, postpartum recovery, or just everyday backup protection

Do they contain PFAS?

Myra underwear is completely PFAS-free. PFAS are ‘forever chemicals’ sometimes found in textiles that can build up in the body over time, but never in ours. We only use certified, skin-safe materials to make sure your underwear is gentle, protective, and safe to wear every day

Soft on skin

Bamboo that loves your skin
Bamboo’s softness is gentle on sensitive skin, making it perfect for your period and everyday wear.
Odour Protection
Its natural antibacterial powers help control odour, keeping you fresh and confident.
Planet Friendly
Sustainable and absorbent, it’s the ideal fabric for underwear you can rely on every cycle.

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Boxer Short

Boxer Short

Why you'll Love it

How It works

Care guide

Fabric

Shipping & returns

Dry Feel

Odour Control

Absorbent

Still have questions?

How does Myra period underwear work?

How long can I wear them?

Do I need to wear a pad or tampon as well?

Are they hygienic?

How do I wash them?

Who are they for?

Do they contain PFAS?

Soft on skin

Bamboo that loves your skin

Odour Protection

Planet Friendly

Country/region