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healthy underwear is the new skincare
The fabrics you wear matter more than you think. Most underwear is made from petroleum-based synthetics that trap heat and disrupt your skin's natural balance. Ours isn't.
see what's different
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Tree-derived, not petroleum-based
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Extra-long gusset for all-day freshness
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Antimicrobial protection
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Gynaecologist-designed
4.6
(88)
The Underdays Starter Kit
$89.00
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Preorder item
This item is currently available for preorder only.
Delivery estimate is
Notify me when available
Made for your most delicate skin
The skin down there is up to 10x more permeable. Our TENCEL Modal comes from trees, not the petroleum-based synthetics in most underwear.
Freshness that lasts all day
An extra-long antimicrobial gusset keeps you dry, protected and comfortable from morning to night. Breathable, reliable coverage that keeps distractions at bay.
Built with a gynaecologist
Designed to support your intimate skin's natural pH balance. Every detail — from fibre choice to fit — was developed alongside a practising gynaecologist.
Inside the Starter Kit
EXCLUSIVE OFFER - £36 OFF
A Better Foundation
3 pairs of pH-balanced, tree-derived underwear that replace the synthetics sitting against your most sensitive skin. Plus our Scuba Cloud Pouch (worth £30) included free. All for £48 — you save £36.
for daily comfort
The Everyday
Stays dry for up to 12 hours. Twice as soft as cotton. Minimal VPL with a cross-over waistband that flatters every body — because healthy underwear shouldn't mean compromising on style.
FOR YOUR ESSENTIALS
The Scuba Pouch
Your complimentary travel pouch. Super-soft, ultra-light, with an internal divider and monogram zip. Included with every Starter Kit.
