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Welcome to the Underdays Circle
Our affiliate programme built for creators who genuinely love what they wear.
At Underdays, we believe wellness starts with what you wear closest to your skin. We're building a community of creators who share that belief, and want to build something real with us.
The Underdays Circle is our affiliate programme. Join and earn commission on every sale you drive, while getting early access to launches, community support, and a clear path to paid partnerships.
How To Get Started
Not sure where to start? Meet our bestsellers
SHOP NOW
The Everyday Thong - Teddy
$34 AUD
Last Chance
The Everyday Boyshort - Teddy
$37 AUD
The Workout Thong - Vintage Blue
$34 AUD
The Tank - Vintage Blue
$72 AUD
The Everyday Thong - Teddy
$34 AUD
Last Chance
The Everyday Boyshort - Teddy
$37 AUD
The Workout Thong - Vintage Blue
$34 AUD
The Tank - Vintage Blue
$72 AUD
The Tiers
STANDARD
Commission:
15%
Threshold:
Any sales
Highlights:
15% commission, 15% off welcome gift code, starter kit gifted when your audience drives 3+ orders within 30 days, WhatsApp community, monthly best-practices email
TOP PERFORMER
Commission:
18%
Threshold:
£2000+/$2500+ / quarter
Highlights:
Everything in Standard, plus: 18% commission, quarterly creator event or team call (by region, early access to launches, performance feedback from the team
HERO
Commission:
18%
Threshold:
£5000+/$6500+ / quarter
Highlights:
Everything in Top Performer, plus: automatic consideration for paid UGC campaigns — Hero creators are first in line every time we brief paid content
Ready to join?
Click the link below to get started.
@theunderdays
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