You know those thin Primark leggings (£3 a pair type)

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What colour undergarments do you wear under them?

I bought a pair to wear with long tunics on holiday (because they are thin and at my age I can't wear a tunic top by itself)

But would they be better with black or nude ? (I'm talking M&S stretch big pants here not a thong)

TIA

Either the top is long enough to cover your arse, in which case the colour doesnt matter, or it isn't and you should not wear that combination.

Nude :)

If you can't see your bum because of the tunic then it doesn't matter.

I always wear nude but black works. No thongs.

Nude because when you bend over and the £3 fabric stretches to Clingfilm style coverage you can see the black of black pants. The nude just makes it look like you have a bare arse depends which look you prefer.