Sleep Shorts

Original Price


absorbency Super

holds 5worth.
Select a color


size chart

buy 3 and save 10%

Buy 3-4 pairs for 10% off

Buy 5-6 pairs for 15% off

Buy 7+ pairs for 20% off

Savings are applied automatically during checkout. Our custom set discount applies to Thinx period underwear and Speax bladder leak underwear (but excludes Last Call sale items).


These comfy, boxer-inspired pajama shorts are equipped with our highest absorbency for overnight protection.


This style features built-in bikini underwear with an extended gusset for extra front-to-back coverage. It fits true to size, so we recommend ordering your usual size.

Thinx - Sleep Short - Style+Fit.jpg
Perfect to sleep in (or just lounge in) to prevent leaks on your heaviest days. They even have pockets!


  • short: 96% micro modal, 4% spandex
  • bikini: 95% cotton, 5% spandex
  • gusset 1 (wicking): 100% polyester
  • gusset 2 (absorbent): 100% polyester
  • gusset 3 (barrier): 100% polyester, coated w/ breathable PU

Our underwear is certified according to STANDARD 100 by OEKO-TEX:registered: [20.HUS.04850 | HOHENSTEIN HTTI]

care instructions

To take care of your Thinx, give ‘em a spin in the washing machine on cold (just no softener or bleach!), and hang dry. Do not iron!

No more bulky overnight pads for me! I can just sleep and not worry about waking up to period stains.
Beatriz R. from Lowell, MA, moderate to heavy flow

how our period underwear works

Thinx - PDP - take the Know Your Flow quiz

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Tell us a li'l bit about your flow, and we'll match you with the right pair!

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Thinx - PDP - create a set

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Sleep Shorts

average rating of 4.9 out of 5 stars out of 5 stars

based on 1,654 reviews

Average Fit

Customers rate Average Fit as being: between runs small and true to size

Days Worn On

Customers rate Days Worn On as being: between moderate and heavy

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    days mostly worn on

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