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Teen Period Underwear

Moisture-wicking, odor-crushing, life-changing leakproof undies. Take our Leakproof Quiz to find your perfect pair.

37 items

KnixTeen

Your questions, answered.

Mix, Match & Save - Terms & Conditions

*Offer valid on select underwear styles on knix.com and knix.ca, while supplies last. When you purchase three or more eligible styles from the same category, you’ll receive the corresponding offer:

- Light & Essential: 3 for $60
- Moderate & Heavy: 3 for $75
- Ultra: 3 for $99

Exclusions: Super Leakproof Dream Short, Super Leakproof Dream Boxer, Leakproof CoreLove High Rise, Leakproof Modal Rib Boxer Brief, Luxe Modal Leakproof Sleep Boxer, Leakproof Cotton Modal Bikini, Leakproof Cotton Modal High Rise, all Thigh Saver styles and Last Call items.

Discount is automatically applied at checkout and is based on eligible items in your order. No rain checks or price adjustments on previous purchases.

What is Leakproof technology and how does it work?

Are Leakproof products tax-free?

*Period underwear and pads are exempt from federal sales tax in Canada. They are also exempt from most provincial / harmonized sales taxes. But are subject to the following provincial sales tax rates which will apply to orders shipped to the following provinces and to orders purchased in retail stores located in the following provinces: British Columbia and Manitoba: 7% PST; Saskatchewan: 6% PST.

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Your questions, answered.

Mix, Match & Save - Terms & Conditions

What is Leakproof technology and how does it work?

Are Leakproof products tax-free?

What’s a gusset?

Which styles have more front or back coverage?

What can Leakproof underwear be used for?

How do I find out my absorbency level?

Do I need to wear a pad or tampon with Leakproof underwear?

How do I wash Leakproof underwear?

How many pairs do I need for a cycle?

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