Seen on you
Green/White
Duo Brief
Duo Brief
Duo Brief
Duo Brief
Purple/Yellow
Purple/Yellow
Purple/Yellow
Purple/Yellow
Green/White
Green/White
Green/White
Duo Brief
$7$14
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A duo brief in a mesh and cotton pairing, designed for balance. A fuller silhouette with an easy, everyday feel, finished with a breathable mesh waistband and a double-layered cotton lining.
Light, breathable, and effortless.
Designed for everyday wear.
⋆ This style features an earlier fit and construction.
Runs small — low-rise fit. Size up for more coverage.
Final sale due to hygiene — reach out if you need help choosing 🤍
Body: 95% cotton, 5% spandex
Gusset: 100% cotton
We want you to love every piece from Siren Basics, but we understand that sometimes things don't work out. Please review our return policy below:
Complimentary promotional gifts must be returned with eligible returns. If the gift is not returned, its value may be deducted from the refund.
Underwear
Due to hygiene reasons, all underwear is final sale and not eligible for return or exchange.
Swimwear
Swimwear may be returned within 7 days of delivery provided that the following conditions are met:
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The original hangtags, packaging, and hygiene label must be intact and unaltered.
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Items must be unworn, unwashed, and in resalable condition.
To initiate a return, please email hello@sirenbasics.com with the subject line:
"[Your Order Number]_RETURN"
We will send you a return shipping label once your request is approved.
Return Fees & Refunds
A $10 return and restocking fee will be deducted from your refund.
Refunds will be issued to your original payment method within 7 business days of receiving the returned item.
Fabric & Feel
A combination of soft cotton and airy mesh, designed to give you the best of both. Breathable and lightweight with a barely-there feel, balanced by a cotton lining for soft, everyday comfort.
What customers say about our underwear
@ami.july
@killacamrose
