just dropped
The Tank & Thong Set - Vintage Blue
$70 USD $86 USD
Gift with Purchase
The Workout Thong - Vintage Blue
$26 USD
New color
The Tank - Vintage Blue
$60 USD
New color
The Workout Thong - Black
$26 USD
Back in stock
The Tank & Thong Set - Vintage Blue
$70 USD $86 USD
Gift with Purchase
The Workout Thong - Vintage Blue
$26 USD
New color
The Tank - Vintage Blue
$60 USD
New color
The Workout Thong - Black
$26 USD
Back in stock
self-care starts with your underwear
Underdays brings self-care to your top drawer. Underwear that's breathable, science-backed, and made to feel as good as it looks.
OUR PROMISE
- • OEKO-TEX® certified materials, clean, non-toxic
- • Extra-long cotton gusset for everyday comfort
- • UNDERskin™, synbiotic technology, built into the fabric, clinically tested
- • Over 1,000 five-star reviews
what they're saying about us
"The best briefs"
"This intimates label serves a new generation of empowered women."
"This female founded lingerie brand is about to become your latest obsession"
"The underwear brand that's rewriting sexiness"
@theunderdays
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