Seen on you
Mesh Brief
Build Your Rotation ✧
Mix & match 5, 7, or 10 pairs from select styles & colors. Save up to 20%.
START MIXING →A softly ruffled mesh brief in a sheer, airy fabric, lined with 100% cotton. A low–mid rise silhouette with full coverage.
Adaptable, light, and effortless.
Lasting softness. Enduring color. No stretched elastic.
Sister-made—because everyday essentials should feel like a dream.
Runs small — size up for extra ruffles
Final sale due to hygiene — reach out if you need help choosing 🤍
Body: 92% nylon, 8% 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 soft, airy mesh designed to feel barely there on the skin. Lightweight and breathable with a delicate drape that moves with your body. Finished with a cotton lining for all-day comfort.
What customers say about our underwear
Frequently Asked Questions
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We recommend your usual underwear size. If you're between sizes, size up for a more relaxed fit and fuller ruffle effect.
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Our delicate mesh ruffles may be visible under tighter-fitting clothing, especially leggings.
For a smoother finish, we recommend our Cotton Hipster Thong, Silky Micro Thong, or Silky Hipster Thong.
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Our lightweight, airy mesh is designed for everyday comfort, with a 100% cotton lining.
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For hygiene reasons, all underwear is final sale and cannot be returned or exchanged.
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We offer $8 standard shipping within the US, with complimentary shipping on orders of $70 or more.
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