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First Fit Promise

We want to make shopping for your ONE Essentials the easiest choice you've ever made.

New to our underwear revolution and not sure of which fit or size to go for?


No worries.


We know that it can be difficult to find the right size with a brand you've never brought from before. But we want to minimise that risk for you and by offering one of the most accessible returns on the market.

Try on two sizes or styles to see which one works for you and return the other, no questions asked.

Just make sure the sticker is still on.

One Essentials Return Garment Sticker
Black White Organic & Recycled cotton Boxer Briefs, first fit promise
Black Organic & Recycled cotton Boxer Briefs on a male figure, front facing
Black and White ladies underwear, mid rise briefs, first fit promise 2 pack
White ladies underwear, mid rise briefs, angled front on size 10 female body
Black white ladies underwear, everyday cheeky fit briefs, first fit promise 2 pack
Black ladies underwear, everyday cheeky fit briefs, first fit promise 2 pack
high rise brief in black and white, organic everyday basic underwear
Kaya wears our high rise brief in black, organic everyday basic underwear

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