KT by Knix
KT by Knix is a Toronto-based direct-to-consumer brand selling leakproof period underwear, swimwear, activewear, and sleepwear designed specifically for teen and tween bodies, operating as a sub-brand of Knix via knixteen.com in the US and Canada.
- Company typePrivate
- Founded2017
- HeadquartersToronto, Canada
- Headcount1–10
- GTM typeB2C
- OfferingHardware or Manufacturing
What KT by Knix does
KT by Knix is a direct-to-consumer apparel brand founded in 2017 and headquartered in Toronto, Canada, that designs and sells leakproof period underwear, swimwear, activewear, sleepwear, and accessories specifically engineered for teen and tween bodies (roughly ages 10-18). The brand operates as a younger-sibling sub-brand to Knix, the adult-focused period underwear company founded by Joanna Griffiths, and serves both teen end-users and their parents through its own e-commerce site, knixteen.com, with shipping across the US and Canada. The product line is built on proprietary 3-layer leakproof technology under trademarks including Fresh Fix Technology®, StageProof™, and 360 LeakSeal™, which combine moisture-wicking, absorbent, and liquid-resistant layers across four absorbency tiers (Light: 1-3 tampons, Moderate: 2-4, Heavy: 4-7, Ultra/SuperPlus: 7-11). Units are individually priced from $22 to $99, with bundle discounts of 15-20% on multi-item carts, a 30-day first-pair risk-free trial, and a 16% student discount via Studentbeans.
KT by Knix firmographics
Firmographics- Name
- KT by Knix
- Website
- https://knixteen.com
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- KT by Knix is a Toronto-based direct-to-consumer brand selling leakproof period underwear, swimwear, activewear, and sleepwear designed specifically for teen and tween bodies, operating as a sub-brand of Knix via knixteen.com in the US and Canada.
- Ownership category
- akta.pro rank
KT by Knix industry classification
Industry- Product category
- Teen Period Underwear and Leakproof Apparel
- NAICS
- Apparel Accessories and Other Apparel Manufacturing (3159)
- SIC
- Women's, Misses', Children's & Infants' Undergarments (2340), Retail-Apparel & Accessory Stores (5600)
- akta.pro primary industry
- Period Underwear (CRABAIAG)
- akta.pro secondary industries
- Panties & Briefs (CRAAAIAB), Menstrual Pads (Reusable/Cloth) (CRABAIAB)
Keywords
Where KT by Knix is headquartered
LocationHeadquarters
- HQ city
- Toronto
- HQ country
- Canada
- HQ region
- North America
Offices1 record
Markets served
KT by Knix business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Marketing or Sales, Operations, Personnel, Technology or R&D, Infrastructure
Revenue model
- Direct Product Sales: One-time purchase model for period underwear, swimwear, activewear, and accessories. Products are sold individually or in bundles/packs with volume discounts. This is the primary revenue stream.
- Bundle & Save Program: Volume discount program offering 15% off for 3+ items and 20% off for 5+ items, encouraging larger purchases and increasing average order value
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Individual period underwear items ranging from $22-$40 |
| Unit Pricing | Pay-as-you-go | Period swimwear items ranging from $33-$99 |
| Unit Pricing | Pay-as-you-go | Activewear and accessories ranging from $25-$68 |
| Transaction based/ take rate | Pay-as-you-go | Bundle discounts: Buy 3 save 15%, Buy 5+ save 20% |
| Unit Pricing | Pay-as-you-go | Value Kits offering 15-25% savings vs. individual items |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels9 records
KT by Knix product offering
Product offeringCore offering
KT by Knix designs, manufactures, and sells teen and tween-focused leakproof apparel — period underwear, period swimwear, period activewear, period sleepwear, and reusable pads — all featuring proprietary 3-layer absorbent technology and sold direct-to-consumer via knixteen.com. The brand also offers bundled period kits (First Period, Period Emergency, Complete Cycle, Camp Essentials) and a teen-specific bra to deliver period protection solutions for school, sports, dance, sleepovers, camp, and swimming use cases.
Product overview
KT by Knix is a teen-focused period protection brand offering a comprehensive portfolio of leakproof products including period underwear (Bikini, Boyshort, Thong, Boxer, Short styles), period swimwear (bottoms, one-pieces, tops), activewear (leggings, shorts, leotards, tanks), sleepwear (Sleepover Shorts, Sleepover Boxers), the On-The-Daily Bra, reusable pads, and bundled kits (First Period, Emergency, Complete Cycle, Camp Essentials). All products feature proprietary 3-layer leakproof technology with varying absorbency levels (Light: 1-3 tampons, Moderate: 2-4 tampons, Heavy: 4-7 tampons, Ultra/SuperPlus: 7-11 tampons). The brand also offers limited-edition collections like the Strawberry Shortcake collaboration. Founded in 2017 as a sister brand to Knix, KT by Knix specifically targets teens and tweens.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- Products are reusable and machine washable, reducing ongoing costs compared to disposable products
- +1 more outcomes
Companies that use KT by Knix
Customer profileNamed customers2 records
Segments4 records
Ideal customer profiles4 records
KT by Knix technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
KT by Knix partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- KnixcoreKnix is the parent company and founding brand behind KT by Knix. Founded by Joanna Griffiths, Knix was one of the first brands in the world to champion period underwear. KT was created as the 'younger sibling' brand specifically designed for teens and tweens, with Knix serving adult sizes at knix.ca.
Scale indicators2 records
Recent moves5 records
Expansion highlights5 records
KT by Knix competitors and assessment
Company assessmentEmerging players
- Rael: Rael is a holistic menstrual and skincare brand offering pads, tampons, period underwear, and skincare, sold via DTC e-commerce. It overlaps with KT in period underwear but goes broader into disposables and skincare, making it a partial peer with adjacent audience and brand positioning.
- Cora: Cora offers organic tampons, pads, menstrual cups, and period underwear via DTC. It is comparable as a DTC challenger brand with a similar menstrual care focus and premium positioning, though with broader disposables and a public-benefit orientation.
- TomboyX: TomboyX is a DTC intimates brand focused on gender-inclusive underwear and activewear, with a growing line of period and leakproof products. It is comparable because it occupies an adjacent apparel niche with similar DTC go-to-market, strong teen and young-adult cultural reach, and overlapping sustainability and fit technology.
Direct peers
- Modibodi: Modibodi is an Australian-founded leakproof apparel brand offering period underwear, swimwear, activewear, and maternity leakproof products. It is directly comparable to KT by Knix in product format, materials technology, and multi-category expansion, with growing presence in North America that overlaps KT's geographic market.
- Saalt: Saalt sells leakproof underwear, period swimwear, and reusable menstrual cups via DTC. It targets the same menstruating consumer with a sustainability-led brand proposition and comparable product categories to KT by Knix, including bundled value packs and tiered absorbency.
- Thinx: Thinx is a leading period underwear brand offering reusable underwear, period swimwear, and activewear via DTC e-commerce. It competes for the same menstruating consumer with overlapping product categories, premium pricing, and proprietary absorbency technology, although it has historically focused on adult sizing rather than the teen niche KT targets.
- Ruby Love (formerly Adira): Ruby Love makes leakproof underwear, swimwear, and incontinence products marketed to teens and adults with chronic conditions. It is a particularly close peer because of its specific positioning toward teen and tween menstruators, overlapping product formats (underwear, swim, kits), and shared emphasis on comfort and all-day protection.
- Dear Kate: Dear Kate offers leakproof underwear and activewear using a proprietary layered technology. It compares to KT by Knix on product format, focus on lighter and sport-appropriate silhouettes, and DTC direct-to-consumer model, though it is smaller in scale and assortment.
- Proof: Proof (formerly known as Brandyn and Proof) makes leakproof underwear for women and teens, with tiered absorbency and inclusive sizing. It overlaps directly with KT by Knix on product format, absorbency tiers, teen-targeted messaging, and DTC e-commerce distribution.
- Knix: Knix is the parent company and sister brand to KT by Knix, offering period underwear, bras, and leakproof apparel for adults. It is the most direct peer because it shares brand DNA, technology stack (leakproof gusset), and operating infrastructure, while targeting the adjacent adult segment of the same end market.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
KT by Knix social profiles
Digital presenceKT by Knix financial estimates
Financial estimateRevenue estimate
Valuation estimate
KT by Knix leadership team
Management profileNumber of profiles
Profiles1 record
KT by Knix funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
KT by Knix M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about KT by Knix
What does KT by Knix do?
KT by Knix designs, manufactures, and sells teen and tween-focused leakproof apparel — period underwear, period swimwear, period activewear, period sleepwear, and reusable pads — all featuring proprietary 3-layer absorbent technology and sold direct-to-consumer via knixteen.com. The brand also offers bundled period kits (First Period, Period Emergency, Complete Cycle, Camp Essentials) and a teen-specific bra to deliver period protection solutions for school, sports, dance, sleepovers, camp, and swimming use cases.
Is KT by Knix a public or private company?
KT by Knix is a private company. It is classified as corporate owned and is currently operating.
When was KT by Knix founded?
KT by Knix was founded in 2017. It employs 1 to 10 people.
Where is KT by Knix based?
KT by Knix is headquartered in Toronto, Canada, in the North America region.
How does KT by Knix make money?
Two revenue lines are on record. Direct Product Sales are the primary driver. The others are bundle & Save Program.
Who are KT by Knix's main competitors?
Emerging players on record are Rael, Cora and TomboyX. Direct peers are Modibodi, Saalt, Thinx, Ruby Love (formerly Adira), Dear Kate, Proof and Knix.
Does KT by Knix have an API?
No public API is recorded for KT by Knix.
What industry is KT by Knix in?
KT by Knix's product category is Teen Period Underwear and Leakproof Apparel. Its primary akta.pro industry code is CRABAIAG, Period Underwear, with a secondary code of CRAAAIAB, Panties & Briefs. Its NAICS code is 3159 and its SIC code is 2340.