Sleep Shorts

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absorbency super

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buy 4 and save 10%

Buy 4-5 pairs for 10% off

Buy 6-7 pairs for 15% off

Buy 8+ pairs for 20% off

Savings are applied automatically during checkout. Our custom set discount applies to Thinx period underwear and Thinx for All Leaks bladder leak underwear (but excludes Saver Sets).


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!


  • outer body: 96% modal, 4% elastane
  • inner body: 95% cotton, 5% elastane
  • gusset 1 (wicking): 100% polyester
  • gusset 2 (absorbent): 100% polyester
  • gusset 3 (barrier): 100% polyester, coated w/ breathable PU
  • polyester, polyurethane, Agion®, Lava XL-N®

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

care instructions

Wash before wearing. Hand wash or machine wash cold on a delicate cycle. Do not use bleach or fabric softener. Hang dry — no ironing please!

Thinx apparel illustration


Our apparel offers built-in period protection, so leaks & stains won't have to get in the way of you doing your thing.

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 - Promo - Create a Set 4/6/8

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