School Essentials

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Give your teen confidence with Kt’s school essentials. Period undies, kits and more for every flow and every activity. Even gym class. 

School Period Kit - Bikini
Light - Heavy Absorbency
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$118.30 CAD $169 CAD Save 30%
  • Poolside
Super Leakproof® No-Show Underwear Bikini - Clearance
Heavy Absorbency
$17.40 CAD $29 CAD 40% Off
First Period Kit - Bikini
Moderate - Heavy Absorbency
-
$138.60 CAD $198 CAD Save 30%
  • Black
Light Leakproof No-Show Underwear Bikini
Light Absorbency
$15.40 CAD $22 CAD 30% Off
  • Black
Leakproof UltraThin No-Show Underwear Bikini
Moderate Absorbency
$17.50 CAD $25 CAD 30% Off
  • Black
Super Leakproof® No-Show Underwear Bikini
Heavy Absorbency
$20.30 CAD $29 CAD 30% Off
  • Black
Light Leakproof No-Show Underwear Boyshort
Light Absorbency
$15.40 CAD $22 CAD 30% Off
  • Black
Super Leakproof® No-Show Underwear Boyshort
Heavy Absorbency
$20.30 CAD $29 CAD 30% Off
  • Black
Leakproof Thigh Saver®
Light Absorbency
$27.30 CAD $39 CAD 30% Off
  • Black
Leakproof Cotton Underwear Bikini
Moderate Absorbency
$16.10 CAD $23 CAD 30% Off
  • Black
Period Swim Sport One-Piece
Moderate Absorbency
$69.30 CAD $99 CAD 30% Off
Uniform Ready Period Kit
Light - Moderate Absorbency
-
$114.75 CAD $153 CAD Save 25%
  • Black
Leakproof Active Legging
Moderate Absorbency
$52.50 CAD $75 CAD 30% Off
  • Electric Petals
Super Leakproof® No-Show Underwear High Rise - Clearance
Heavy Absorbency
$19.20 CAD $32 CAD 30-40% Off
  • Black
Leakproof Active Short
Moderate Absorbency
$31.50 CAD $45 CAD 30% Off
Every Flow Period Kit - Y2K
Moderate - Heavy Absorbency
-
$155.25 CAD $207 CAD Save $51 & Sales Tax-Free*
Every Flow Period Kit - Classic Prep
Moderate - Heavy Absorbency
-
$155.25 CAD $207 CAD Save $51 & Sales Tax-Free*
  • Black
Light Leakproof No-Show Underwear Boyshort 3-Pack
Light Absorbency
$46.20 CAD $66 CAD 30% Off
  • Raspberry/Green Monster/Pink
Light Leakproof No-Show Underwear Bikini 3-Pack - Clearance
Light Absorbency
$39 CAD $66 CAD 40% Off
  • Black
Super Leakproof® No-Show Underwear Bikini 3-Pack
Heavy Absorbency
$60.90 CAD $87 CAD 30% Off
  • Black
Leakproof UltraThin No-Show Underwear Bikini 3-Pack
Moderate Absorbency
$52.50 CAD $75 CAD 30-48% Off
  • Black
Leakproof UltraThin No-Show Underwear Boyshort 3-Pack
Moderate Absorbency
$52.50 CAD $75 CAD 30% Off
New
  • Black
Reusable Snap Pads 3-Pack (Regular)
Heavy Absorbency
$38.80 CAD $44 CAD 30% Off
School Period Kit - Boyshort
Light - Heavy Absorbency
-
$118.30 CAD $169 CAD Save 30%
Every Flow Period Kit - Bikini
Moderate - Heavy Absorbency
-
$144.90 CAD $207 CAD Save 30%
Every Flow Period Kit - Boyshort
Moderate - Heavy Absorbency
-
$144.90 CAD $207 CAD Save 30%
nothing is tmi here—we promise.
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Super Absorbency

Absorbs 9–12 tsp (45–60 ml) of blood—that’s about 9–12 regular tampons or pads! Perfect for overnight protection or your heaviest days when changing into a fresh pair might not be convenient.


High Absorbency

Absorbs 4–8 tsp (20–40 ml) of blood, or the equivalent of 4–8 tampons or pads. These are perfect for heavy flow days.


Medium Absorbency

Absorbs up to 3 tsp (15 ml), or about 3 tampons or pads worth of blood. Ideal for light to medium flow days or as backup to tampons or period cups.

All of our period underwear, swimwear, reusable pads, and activewear have our patented leakproof technology built right in.

First Layer: Moisture-wicking, antibacterial technology wicks away sweat and moisture while neutralizing odors to keep you fresh all day long. 

Second Layer: A super thin, highly absorbent liner that holds the power of 3–20 tampons or pads.

Third Layer: A secure, liquid-resistant outer layer keeps leaks from happening.

The short answer: nope! Depending on the absorbency level of your period underwear and the heaviness of your flow, you can wear our period undies on their own or as a backup to tampons or menstrual cups. You can wear our High and Super absorbency underwear alone and be totally protected, while our Medium absorbency underwear can be worn alone on lighter days or as backup on heavier days.

Step 1: Give your underwear a quick rinse under cold water.
Step 2: Throw it in the washing machine with your regular clothes. Wash on cold with mild detergent (no softener or bleach).
Step 3: There are two ways to dry them depending on the undies you have: lay flat to dry for medium absorbency products, or tumble dry on low for high to super absorbency products.
Step 4: That’s it! No ironing needed.

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.

Because they’re, well, underwear, we can’t accept exchanges or returns on used items. BUT you can try your first pair on your first order risk-free for 30 days!


If you ordered the wrong size of period underwear, we’ll send you a different pair at no cost or offer you a standard refund within 30 days of delivery (excluding original shipping fees).


If your order included multiple period underwear, open, wash, and wear one pair only. That way if you don’t love them, any unopened packages from the same purchase will be eligible for an exchange or standard refund (excluding original shipping fees).


All unopened packages will be donated to local organizations to support people in need.