The Everyday Brief Set
Our cult-status Everyday style named “best briefs” by Vogue, in a set of 3—two briefs and one high-waisted style. Crafted from ultra-luxurious micro modal, these have an adjustable fit, extra stretch and full coverage. Designed in collaboration with a gynaecologist to give you the everyday support you need.
Check out our
Add 6 for 15% off
The Thong Starter Pack
CHF 54 CHF CHF 58 CHF
Alfie x Underdays Capsule Collection
Where the effortless feminine meets the everyday luxury.
We've partnered with Paris-based luxury label ALFIE to create a limited edition capsule set of elevated summer essentials.
A collection with a “borrowed from the boys” feel, this launch celebrates ALFIE’s signature boxer shorts and Underdays’ solutions-driven design—all crafted from a luxury deadstock cotton sourced in Paris.
Reviews
Refer your friends & get £10 off your next order
Make them feel just as good as you do—give your friends 20% off and you'll get £10 off your next order when they shop with your link.
