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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Would you tell a woman her gym leggings were see through?

165 replies

FeelingALittleWoozyHere · 30/05/2026 11:50

Regular gym class. Behind a woman today who was wearing black leggings, looked fine when she was standing but as soon as she bent over they were completely see through, almost like a pair of 30 denier tights. Could see colour and shape of underwear. Would you have told her at end of class?

I was planning on doing but she was chatting to another class member at the end and stayed on for the next class so couldn't grab her outside. Feel bad now but also wasnt sure how she would react??

OP posts:
redboxerclub · 30/05/2026 22:11

TheRealMagic · 30/05/2026 12:59

I don't think it's kind either. As a general rule, I only think it's kind to tell a stranger that there is something wrong with their outfit if they can fix it instantly (knickers tucked into skirt, clothes tag hanging out, buttons misaligned). It isn't kind if they are stuck how they are until they get home.

I like this approach and mindset

redboxerclub · 30/05/2026 22:14

BCBird · 30/05/2026 16:53

It's horrible when you have to witness this.

It’s horrible to see the outline of someone’s pants?

maybe a thong but big pants are fine!

tbh I get more incensed but thong and “cheeky” swimwear. Often get more than eyeful as I am getting it my 40 laps and is hate it.

beeautifullif3 · 30/05/2026 22:41

She probably already knows seems to be a fad atm

Oldbunk · Yesterday 11:15

Were they old and raggy? If so yes. Tell her to save her from the moment of legging failure which could be imminent. I’ve had old leggings fail while spinning. It’s not a party I wish to attend again.

Anarchy99 · Yesterday 11:21

Absolutely don’t tell her. It’s nothing to do with you. I would be really pissed off if someone randomer came up and said something like that to me. It’s certainly not a kind thing to do.

Whatthefork1 · Yesterday 11:21

i would tell a friend, but I wouldn’t tell a stranger.

Anarchy99 · Yesterday 11:22

Oldbunk · Yesterday 11:15

Were they old and raggy? If so yes. Tell her to save her from the moment of legging failure which could be imminent. I’ve had old leggings fail while spinning. It’s not a party I wish to attend again.

But that’s her problem if it happens. I hate this idea that people think it acceptable to comment on stuff like that

Emowoman90 · Yesterday 11:25

Iloveeverycat · 30/05/2026 12:08

The skin coloured ones are the worst. Why do people wear them everyday and not just for the gym. They always look awful on young or old.

Edited

The skin coloured ones always make me look twice because why does it look like they are walking naked 😭

Remindmeofthebabee · Yesterday 11:31

I think it’s how you deliver it.

I came back from a yoga class the other month and I was bent down getting something out of a kitchen drawer and DH asked me if I knew my new yoga leggings went completely see through when I bent over.

I was mortified as I’d been at the front of the class and obviously had no idea. I tried to bend over in front of a mirror to check myself but I couldn’t see it, I asked him to take a photo and low and behold you could see my entire bum. I haven’t worn them pants to class since but if DH hadn’t told me I definitely would have!

I’d have been happy if someone gave me a heads up as long as it wasn’t done in an eye roll manner.

auserna · Yesterday 11:39

parkezvous · 30/05/2026 12:37

Nope. Saw a woman out shopping yesterday with cycling shorts and I could actually see the shape of her public hair.

Perfect typo!

RiskyBiz · Yesterday 11:39

I'd want to know and would be grateful to know at the end rather than in the middle!

I once had a dilemma leaving school of a small 5-6 year old girl with the whole back of her dress tucked into her pants as we were leaving for the end of the day. I was worried her mum would be cross I'd 'seen' (I'm female but you never know what accusations you'll get these days) but I was more worried about the 100 odd other parents seeing so I told her mum and she whipped it down.

Allmarbleslost · Yesterday 12:26

I've always assumed that women who do this are doing it on purpose. How could you not know your leggings are see through?

LakeFlyPie · Yesterday 12:57

I would want to know, definitely tell her unless she gives off unreasonable stranger vibes

Flamingojune · Yesterday 13:02

Allmarbleslost · Yesterday 12:26

I've always assumed that women who do this are doing it on purpose. How could you not know your leggings are see through?

I know - i see it so often with female cyclists, never male

BuildbyNumbere · Yesterday 13:14

No I wouldn’t

Anarchy99 · Yesterday 13:16

LakeFlyPie · Yesterday 12:57

I would want to know, definitely tell her unless she gives off unreasonable stranger vibes

‘unreasonable stranger’ vibes? Do you mean ‘don’t pick me up on my choice of clothing because I’m an adult and it has nothing to do with you’?

I just wonder how she would feel, being picked up on this by someone she doesn’t know? If she doesn’t know then she’s going to be mortified but if she does, what can she say? ‘Oh thanks, yes I know’? Because there is implied judgement from the OP.

If you do tell her, own that you are doing it because you disapprove, not that you want to spare her feelings. People who care how they look tend to look in mirrors so would be aware in any case

Anarchy99 · Yesterday 13:18

I’m always baffled at how many people (a) notice these things and (b) think it’s okay to comment to a complete stranger - why not just look away?

EmmaB1309 · Yesterday 13:45

FeelingALittleWoozyHere · 30/05/2026 11:59

To clarify - I have never spoken to her. I think, like me, she goes every week, but we have never chatted

Then no

Lahsania · Yesterday 13:47

mathanxiety · 30/05/2026 17:19

There is a lot more wrong with the mindset of teenage boys talking like this than the see through leggings.

no, they’re just normal, talking about what they see. It’s really not taboo to talk about what you see.

RollOnSunshine · Yesterday 13:47

No. Abolutely not

Lahsania · Yesterday 13:47

mathanxiety · 30/05/2026 17:19

There is a lot more wrong with the mindset of teenage boys talking like this than the see through leggings.

no, they’re just normal, talking about what they see. It’s really not taboo to talk about what you see.

Asthenia · Yesterday 14:46

the leggings I wear to the gym are see through 🤷‍♀️ they’re pretty old and I’m waiting until I’ve lost more a bit more weight to treat myself to new gym clothes which are expensive. It personally doesn’t bother me at all if people can see my big black granny pants through them but some people would be mortified I imagine? If someone told me my leggings were see through I would think they were just trying to be thoughtful by letting me know and wouldn’t be offended, but equally I just couldn’t care less what other people are wearing, see through or not!

OnlyHasEyesForLoki · Yesterday 14:49

I wouldn’t tell her unless she wasn’t wearing any underwear and everyone could see her actual bits. In my gym classes we often see each other’s nipple outline and underwear through our gym gear and it’s no big deal.

YourPoliteTurtle · Yesterday 14:53

why do you even think she doesn't know or would care? Odd reaction from you

Lahsania · Yesterday 15:00

YourPoliteTurtle · Yesterday 14:53

why do you even think she doesn't know or would care? Odd reaction from you

It really isn’t odd at all, lots of people on the thread confirm this.

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