Supportive Modal Sleep Bralette

Size Guide


Close Join the waitlist

Notify me when this product is available:


Body - 92% Compact Modal, 8% Elastane
Trim - 94% Compact Modal, 6% Elastane

Machine wash cold + lay flat to dry


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!

Lunya Size XS S M L XL
Bra Size 32A-C 32D; 34A-C 34D; 36A-C 36D; 38A-B 38C-D

Meant for women with A to C cups. For those of you more endowed, try our Supportive Modal Well-Rounded Bralette.

Measurements are in inches and refer to body size unless otherwise noted. Fits may vary by style and personal preference.


Kim is featured wearing the 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.

Sonia is featured wearing the Emerald/Black colorway in a size extra small. She is 5’10 with a 25” waist, a 32” bust, and 34” hips.

Holly is featured wearing the Mist/Bare colorway in size extra small. She is 5'8 with a 24" waist, a 34" bust, and 34" hips.

Adjustable T-Back

A perfect fit every time


Won't get you hot and bothered (unless you're into that)

Shape Retention

Maintains fit all night long


Take it with you wherever you go

Supportive Modal Sleep Bralette

A good night’s sleep leaves you feeling well-adjusted and so will our Siro Sleep Bralette, because it’s adjustable! A movable slider, t-back strap provides a custom fit, regardless of torso length or chest size. The flat jersey on the front, with ribbed jersey on the back, provides maximum comfort.

supportive modal

An unbelievably soft, compact knit modal that'll leave you and your best assets feeling well-supported.

Product Reviews

No Reviews