Rudie

5 Things About The Plastic In Your Underwear

92% BAMBOO · 100% HONEST
Before you buy another pair

We're Sorry In Advance: 5 Things About The Plastic In Your Underwear You Can't Unknow.

Our underwear is 92% bamboo. Reading this might ruin the synthetic stuff sitting in your drawer right now, and for that, we are genuinely sorry.

By The Rudie TeamUpdated June 20264 min read★★★★★loved by our founding members
[PLACEHOLDER: swap "founding members" for a real rating + review count once reviews are live]
[ IMAGE: editorial hero: model in black Rudie set, natural light, moody luxe ]

Six months ago we did something that probably looked insane: we shut our own brand down. Not because we ran out of money, because we read what's actually inside most underwear, including ours. Here are the five things we found. Fair warning: you can't unsee them.

1

Most of your underwear is plastic.

The industry standard is 20 to 30% polyester, nylon or elastane. Plastic, basically, woven into the one thing you wear closest to your body for around 16 hours a day. If your underwear ever feels damp, clingy or just off by 3pm, that's the synthetic fabric, not you.

[ IMAGE: reason 1: Most of your underwear is plastic ]
2

It sits on some of the most absorbent skin you have.

The skin around the vulva is delicate and highly absorbent, closer to a membrane than the skin on your arm. Whatever your underwear is made of, it's in warm, close, constant contact with it all day.

[ IMAGE: reason 2: It sits on some of the most absorbent skin you have ]
3

Microplastics don't stay in the fabric.

Synthetic clothing sheds microplastics with every wash and wear, and researchers have now found microplastics in human blood and tissue. We're not claiming your underwear is the cause. We're saying no one can promise it isn't part of it.

[ IMAGE: reason 3: Microplastics don't stay in the fabric ]
4

Warm + synthetic + moisture is a recipe your body doesn't love.

Synthetics trap heat and moisture instead of breathing. For a lot of people that means more odour, irritation and that not-fresh feeling, especially on your period. If you've ever changed twice a day just to feel clean, it might be the fabric, not you.

[ IMAGE: reason 4: Warm + synthetic + moisture is a recipe your body doesn't love ]
5

Even 'good' period underwear often hides a plastic gusset.

Plenty of period brands quietly use a synthetic, coated leak layer and never mention it. We built ours as a thin multi-layer leak-proof gusset, and we'll tell you exactly what's in every layer.

[ IMAGE: reason 5: Even 'good' period underwear often hides a plastic gusset ]

So we rebuilt it from the fibre up.

Three years and hundreds of failed samples later, Rudie came back. A body that's 92% bamboo viscose, up to 70% less synthetic than the standard, seamless, OEKO-TEX Standard 100 certified, with a multi-layer leak-proof gusset. We kept 8% elastane, because without it underwear bags out by lunch, and we'll always be honest about that 8%.

92% bamboo bodyup to 70% less syntheticOEKO-TEX Standard 100multi-layer leak-proof gussethonest 8% elastane
92% bamboo. 100% honest.

Meet the range

What people are saying

[PLACEHOLDER: replace with real reviews once live]
★★★★★

"I genuinely forget I'm wearing them. And knowing it's actually bamboo, not plastic, I'm not going back."

— [Reviewer], [style]
★★★★★

"Finally a period brand that just tells you the truth about what it's made of."

— [Reviewer], [style]

Go check the tag on your underwear.

Then come check ours.

General information about textiles and microplastics, not medical advice. Rudie product facts are from our tech-pack bill of materials: 92% bamboo viscose / 8% elastane body, OEKO-TEX Standard 100, multi-layer leak-proof gusset.