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Siro Well-Rounded Bralette


At Lunya we believe in supporting ladies AND supporting “The Ladies,” and the updated version of our Siro Well-Rounded Bralette does just that. Same great wide straps that won’t dig in, with the flattering deep scoop back and a subtle Lunya logo at the ultra-comfy elastic band. A perfect fit with our Siro Sleep Brief.

  • Wider straps stay put and evenly distribute support
  • Double-layered fabric for added coverage
  • Updated elastic band is soft and plush
  • Crossover side detail means no digs and improved flexibility
  • Good for hot sleepers and layering
  • Machine wash, cold + lay flat to dry
  • 92% siro micro modal, 8% spandex



Great for ladies with a D cup size or larger. For those of you a size A to C cup size, try our Siro Sleep Bralette.


Kim is featured wearing the Bare/Bare, White/White, and Eclipse/Black colorways in size extra small. She is 5’11 with a 32” bust, a 25” waist, and has 36” hips.

Sam is featured wearing the Black/Black colorway in a size extra small. She is 5’4 with a 26” waist, a 34” bust, and 31” hips.

Unsure of your size? No need to lose sleep over it - we are here to help! To ensure proper fit, please refer to the fit guide below and if you have any questions, please feel free to email us at We are happy to guide you!

Size XS S M L XL
Numerical 0 2-4 6-8 10-12 14
Bust 32-33 34-35 36-37 38-39 40-41
Waist 26 27-28 29-30 31-32 33-34
Hip 36 37-38 39-40 41-42 43-44
Inseam 29.5 30 30.5 31 31

Measurements are in inches and refer to body size, not garment dimensions. Please note that fits may vary by style and personal preference.

Need help with your size? Have a suggestion or feedback?

Lunya gladly accepts exchanges and free returns of unworn/unwashed items with the original tags attached within 30 days of your order ship date. Underwear, Gift Cards, & Sale Items are nonrefundable. Please visit our automated ONLINE RETURN PORTAL or email our customer happiness team at to initiate an exchange/return or with any further questions. THX!