A Love Letter to your Body
New in
The Love Letter Brief Set
$173 AUD
Limited Edition
The Love Letter Thong Set
$173 AUD
Limited Edition
The Cosy Start Kit
$204 AUD $240 AUD
£18 off + free tote
The Brief Starter Kit
$147 AUD $204 AUD
£28 off + Free tote
The Love Letter Brief Set
$173 AUD
Limited Edition
The Love Letter Thong Set
$173 AUD
Limited Edition
The Cosy Start Kit
$204 AUD $240 AUD
£18 off + free tote
The Brief Starter Kit
$147 AUD $204 AUD
£28 off + Free tote
We're turning underwear into self-care
We believe you deserve underwear products that are just as high-performing and good-looking as the other products in your lives. Say goodbye to digging in, riding up and unflattering styles forever.
OUR PROMISE
• The most soft and breathable fabrics
• Approved by female health experts
• Unrivalled style and fit
• An extra-long antimicrobial gusset that keeps you fresh and dry
• 50+ rounds of user-testing on women
Meet the Icon: The Replenish Kit
Underwear that works as hard as you do. A tote that does it all.
Meet your new classics, all bundled together in the iconic Underdays Replenish Kit featuring a FREE Tote Bag.
Discover 7 underwear essentials: the brief praised by Vogue, the perfect Brazilian-cut cheeky, and a VPL-free thong—all with the benefits you love: breathability, softness and the most flattering cuts.
Use the Denim Tote for your travels, to carry your essentials and to stay organised.
What they're saying about us
"This intimates label serves a new generation of empowered women."
"The best briefs"
"This female founded lingerie brand is about to become your latest obsession"
"The underwear brand that's rewriting sexiness"
