Teen Leakproof Active Short
Teen Leakproof Active Short
No more missing gym class! This is your teen’s new favorite short for every activity and every period. Stretchy, comfortable and true to size. New liner shape for a discreet look from the outside and a seamless look all over.
Gusset/Soufflet: Gusset/Soufflet 1: 86% Cotton/Coton, 10% Spandex, 4% Carbon/Carbone; Gusset/Soufflet 2: 88% Polyester, 12% Spandex; Gusset/Soufflet 3: 85% Polyester, 10% Elastane, 5% Polyurethane Film/Film Polyuréthane; Exclusive of Decoration/Décorations non comprise
Machine wash cold, do not bleach, lay flat to dry, do not iron, do not dry clean, wash with like colors
🇨🇦 Free standard shipping over $100.
Free expedited shipping over $150.
(after discounts, before shipping + taxes) All items ship from within Canada.
Clothing (Leggings, Sweats, T-Shirts, Socks and Sleepwear) are eligible for a return or exchange within 30 days of delivery and with tags attached. For sale items with a 20% or more discount you may exchange for another item or store credit. Read more about our return and exchange policy here.
- Shabnam R.Verified Buyer6 months agoRated 5 out of 5 starsReview
Fantastic product! I'm also quite impressed by your customer service:)
Was this helpful? - Chloe N.Verified Buyer6 months agoRated 5 out of 5 starsmy daughter Chloe loves them
my daughter loves the sports period sport underwear
Was this helpful? - Nichole G.Verified Buyer6 months agoRated 5 out of 5 starsGame changer
I’m so thrilled with these shorts! When I gave them to my daughter for soccer practice, I told her a story about her grandma sliding into second base and her sanitary napkin sliding out of her shorts. You’ve given such a gift to young women with your products. Thank you
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Kt by Knix for Teens Underwear FAQs
Kt by Knix is designed for smaller and growing bodies to fit teens. Kt Period Underwear are available in teen sizes with smaller leg openings.
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 teens 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: Wicks away sweat and moisture while neutralizing odors to keep your teen 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 the period underwear and the heaviness of your teens flow, your teen can wear our period undies on their own or as a backup to tampons or menstrual cups. They 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.
