LINGERIE Built For Blood.

Welcome to SIREN where lingerie-level beauty meets battle-tested protection.

Zero bulk. Zero leaks. Zero compromises.

🖤 Bundle & Save - Save up to 40% off when you add 3 or more to cart. The more you add, the more you save.

All Products

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      5 products
      SIREN Wash Bag
      $15.00
      Sale
      French Lace Cheeky | Period Underwear
      $49.95 $40.95 Save $9.00
      Sale
      Seamless Cheeky | Period Underwear
      $49.95 $40.95 Save $9.00
      Sale
      High-Waist Seamless | Period Underwear
      $49.95 $40.95 Save $9.00
      Sale
      French Lace Brief | Period Underwear
      $49.95 $40.95 Save $9.00