Underwear

If you are in between sizes, we recommend sizing up for our Mesh and Cotton styles.

You can select your typical size for our Silky styles, since they run true to size. 

Swim

If you have any additional questions please feel free to email us at hello@sirenbasics.com and we will assist you as soon as we can <3 

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:

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:

• The original hangtags, packaging, and hygiene label must be intact and unaltered.

• 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.