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Sleep Brief 2 Pack


Just like peanut butter and jelly, sleep briefs are better together! The masculine style brief was adapted for the modern women who prefers to sleep in undies or boxers. Constructed with a fine, shrink-resistant Japanese elastic waistband, and Siro Modal cotton to ensure a heavenly fit for your body. Looking for its upper half? Try the Siro Bralette 2 Packs.

  • Full coverage
  • Sits at the hip
  • For sanitary reasons, all underwear orders are final sale
  • Made in Los Angeles



Runs true to size but if you are typically between sizes, we suggest you size up.


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, visit Lunya's Fit Guide - we are happy to guide you!

Size XS S M L XL
Numerical 0 2-4 6-8 10-12 14
Bust 33 34-35 36-37 38-39 40-41
Waist 26 28 30 32 34
Hip 36 37-38 39-40 41-42 43-44
Inseam 30 30.5 31 31.5 32

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 email to initiate a hassle free exchange/return or with any further questions. THX!