The Everything Sale

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Everything’s on sale. Shop Period Undies, Swim and Active, all at 20% off, FINAL HOURS! ENDS TONIGHT.

  • Black
Period Swim Sport One-Piece
Moderate Absorbency
$83 USD New Colors
  • Black
Leakproof UltraThin No-Show Underwear Bikini
Moderate Absorbency
$15.40 USD $22 USD 30% Off
First Period Kit
Moderate - Heavy Absorbency
-
$119.70 USD $171 USD Save 30%
  • Black
Leakproof UltraThin No-Show Underwear Boyshort
Moderate Absorbency
$15.40 USD $22 USD 30% Off
  • Black
Leakproof UltraThin No-Show Underwear Bikini 3-Pack
Moderate Absorbency
$46.20 USD $66 USD 30% Off
  • Black
Light Leakproof No-Show Underwear Bikini
Light Absorbency
$13.30 USD $19 USD 30% Off
40% Off
  • Shady Blue
Light Leakproof No-Show Underwear Boyshort - Clearance
Light Absorbency
$11 USD $19 USD 40% Off
  • Black
Leakproof Active Short
Moderate Absorbency
$24.50 USD $35 USD 30% Off
  • Black
Super Leakproof® No-Show Underwear Boyshort
Heavy Absorbency
$17.50 USD $25 USD 30% Off
  • Black
Super Leakproof® No-Show Underwear Bikini
Heavy Absorbency
$17.50 USD $25 USD 30% Off
  • Gumdrop/Blueberry/Black
Super Leakproof® No-Show Underwear Bikini 3-Pack - Clearance
Heavy Absorbency
$45 USD $75 USD Save 10%
40% Off
  • Raspberry/Green Monster/Pink
Light Leakproof No-Show Underwear Bikini 3-Pack - Clearance
Light Absorbency
$34.20 USD $57 USD 40% Off
40% Off
  • Lucky Star/Berry/Cosmo
Light Leakproof No-Show Underwear Boyshort 3-Pack - Clearance
Light Absorbency
$34.20 USD $57 USD 40% Off
  • Black
Super Leakproof® No-Show Underwear Boyshort 3-Pack
Heavy Absorbency
$52.50 USD $75 USD 30% Off
  • Black
Leakproof Thigh Saver®
Light Absorbency
$38 USD
40% Off
  • Shady Blue
Super Leakproof® No-Show Underwear High Rise - Clearance
Heavy Absorbency
$16.80 USD $28 USD 15-40% OFF
  • Black
Leakproof Active Legging
Moderate Absorbency
$45.50 USD $65 USD 30% Off
  • Tropical Punch
Period Swim Short - Long
Moderate Absorbency
$50 USD
  • Black
Period Swim Freestyle One-Piece
Light Absorbency
$83 USD
  • Black
Double Scoop Bikini Top
$45 USD 30% Off Select Colors
Every Flow Period Kit - Classic Prep
Light Absorbency
$126 USD $180 USD Save 30%
Uniform Ready Period Kit
Moderate - Heavy Absorbency
-
$106.50 USD $142 USD Save 25%
Starter Underwear 4-Pack
Light - Heavy Absorbency
-
$85.40 USD $122 USD Save 30%
New
  • Black
Reusable Snap Pads 3-Pack (Regular)
Heavy Absorbency
$36 USD
  • Natura/Brown
Reusable Pads 3-Pack in Natura (Extra-Long)
Heavy Absorbency
$44 USD
  • Natura/Brown
Reusable Pads 3-Pack in Natura (Regular)
Heavy Absorbency
$40 USD
  • Natura/Brown
Reusable Pads 3-Pack in Natura (Short)
Heavy Absorbency
Sold Out $36 USD
  • Black
Light Leakproof No-Show Underwear Boyshort 3-Pack
Light Absorbency
$39.90 USD $57 USD 30% Off
  • Black
Super Leakproof® No-Show Underwear Bikini 3-Pack
Heavy Absorbency
$52.50 USD $75 USD 30% Off
  • Black
Super Leakproof® No-Show Underwear Bikini 3-Pack
Heavy Absorbency
$52.50 USD $75 USD 30% Off
  • Black
Super Leakproof® No-Show Underwear Bikini 3-Pack
Heavy Absorbency
$52.50 USD $75 USD 30% Off
Nothing is TMI here—we promise.
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*Prices as marked. 

Exclusions apply. Offer valid from Wednesday, August 28th 9:00am to Monday, September 2 at 11:59pm EST. Applies only to in-stock items and cannot be extended after the listed date. No price adjustments for previous orders. Cannot be combined with any other discount offers. No rain checks. Contact your local store for collection availability. 

50% off Super Leakproof Sleepover Short offer valid from Thursday, August 29th 1:30pm EST to Monday, September 2 at 11:59pm EST. Applies only to in-stock items and cannot be extended after the listed date. No price adjustments for previous orders. Cannot be combined with any other discount offers. No rain checks. Contact your local store for collection availability. 

For items with a 20% or more discount you may exchange for another item or store credit within 30 days of delivery. No refunds.

Knix store locations include: Santa Monica, San Diego.

Free Shipping available on orders over $70 USD + before tax and after discounts and applies to shipping addresses within the USA only.

For items with a 20% or more discount you may exchange for another item or store credit within 30 days of delivery. No refunds.

Check out our size chart here. If you want some help, we have virtual fitters ready on deck to help you find your perfect fit. Book a video call with them today.