Thinx
- Company typePrivate
- Founded2013
- HeadquartersNew York, United States
- Headcount101–250
- GTM typeB2C
- OfferingHardware or Manufacturing
Thinx firmographics
Firmographics- Name
- Thinx
- Legal name
- Thinx Inc.
- Website
- https://thinx.com
- Company type
- Private
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Ownership category
- akta.pro rank
Thinx industry classification
Industry- Product category
- Reusable Absorbent Underwear
- SIC
- Women's, Misses', Children's & Infants' Undergarments (2340)
- akta.pro primary industry
- Period Underwear (CRABAIAG)
- akta.pro secondary industry
- Panties & Briefs (CRAAAIAB)
Keywords
Where Thinx is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices5 records
Markets served
Thinx 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 E-commerce Sales: Thinx generates primary revenue through direct sales via thinx.com, selling period underwear, bladder leak underwear, and teen period underwear at various price points. Products are available in individual units and saver sets.
- Thinx Rewards Subscription Program: Customers can earn points (1+ per $1 spent) through the Thinx Rewards loyalty program. Points can be redeemed for discounts on future purchases. The program encourages repeat purchases and customer retention.
- Referral Program: Customers earn 200 points ($10 value) for each successful referral who makes a qualifying purchase over $35. Referred friends receive $10 discount on first order.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Teens period underwear - Entry level pricing |
| Unit Pricing | Pay-as-you-go | Standard period underwear - Mid-range pricing |
| Unit Pricing | Pay-as-you-go | Bladder leak underwear - Value pricing |
| Unit Pricing | Pay-as-you-go | 3-in-1 multifunctional underwear - Premium pricing |
| Unit Pricing | Pay-as-you-go | Blood Spell Limited Collection - Promotional pricing |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels8 records
Thinx product offering
Product offeringCore offering
Thinx designs, manufactures, and sells reusable, machine-washable absorbent underwear for menstrual periods, light bladder leaks, and teens. Products use a proprietary 4-layer gusset with moisture-wicking, ultra-absorbent core, odor control, and LeakSafe™ barrier layers, providing up to 12 hours of leakproof protection across multiple style lines including Hiphugger, Brief, Hi-waist, Boyshort, Sleep Shorts, and Bikini.
Product overview
Thinx offers a family of reusable absorbent underwear brands addressing different life stages and needs. The core Thinx Period Underwear line (multiple styles including Hiphugger, Brief, Hi-waist, Boyshort, Sleep Shorts, Bikini, Active Mesh) absorbs menstrual flow using proprietary built-in technology with LeakSafe barrier, providing up to 12 hours of leakproof protection. Thinx Teens is a sub-brand specifically designed for teen bodies in youth sizing with styles like All Day Brief, All Day Bikini, Overnight Boyshort, and Butterfly Shorts. Thinx for All Leaks addresses light bladder leaks with three absorbency levels (Lightest, Very Light, Light), using technology designed for the different pH and viscosity of urine versus menstrual fluid. The 3-in-1 Collection combines period and bladder leak protection with sweat absorption in a single product. All products are machine-washable, reusable, and free of PFAS. The portfolio is supported by a rewards program, referral system, and the Get BodyWise educational initiative.
Differentiator
Problem solved
Functional benefit
Brands
- Thinx Teens: Leakproof period underwear in sizes and colors specially designed for teens, available in standard youth sizes 9-10 (S) through 15-16 (XL).
- Thinx for All Leaks
Products and services
- Thinx Period Underwear Reusable, machine-washable period underwear that absorbs menstrual flow using built-in 4-layer technology with a moisture-wicking top layer, ultra-absorbent core layer, odor control, and LeakSafe™ moisture-impermeable barrier. Absorbs up to 12 regular tampons' worth of flow and provides leakproof protection for up to 12 hours. Available in Hiphugger, Brief, Hi-waist, Boyshort, Sleep Shorts, and Bikini styles. PFAS-free and OEKO-TEX certified.
- Thinx Teens Period Underwear Reusable period underwear designed specifically for teens in youth sizes (9–10 through 15–16) with a narrower thigh fit and fun colorways. Absorbs up to 12 regular tampons' worth of flow and provides leakproof protection for up to 12 hours. Styles include All Day Brief, All Day Bikini, Overnight Boyshort, Active Mesh Bikini, and Butterfly Shorts. Designed without PFAS.
- Thinx for All Leaks (Bladder Leak Underwear) Reusable, discreet underwear designed for light bladder leaks as a replacement for single-use pantyliners. Features built-in absorbent technology with moisture-wicking, odor control, and a moisture-impermeable layer. Holds up to 100mL (6 tablespoons). Available in three absorbencies: Lightest (1 tbsp), Very Light (4 tbsp), and Light (6 tbsp). PFAS-free and designed specifically for the pH and viscosity of urine.
- Thinx 3-in-1 Collection Multi-functional reusable underwear designed to absorb periods, light bladder leaks, and sweat in a single product. Features leakproof protection for up to 12 hours for moderate periods or light bladder leaks, combining Thinx's period and bladder-leak technologies in styles such as Active Mesh Bikini and Soft Smoothing Hi-Waist.
- Blood Spell Limited Collection Limited-edition spell-themed period underwear collection launched in collaboration with modern witch influencer @lizzieandthebats. Features three themed products (Confidence, Money Moves, Love) with spell-themed enchantments, priced 15% below comparable standard Thinx offerings, available exclusively on thinx.com and TikTok Shop while supplies lasted.
- Saver Sets Bundled multi-pair packages of period, bladder leak, or teen underwear offered at discounted per-pair pricing versus individual purchases. Available across Thinx, Thinx Teens, and Thinx for All Leaks product lines.
Quantifiable outcome
- Absorbs up to 12 regular tampons' worth of flow
- +3 more outcomes
Companies that use Thinx
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles4 records
Thinx technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
Feature4 records
Thinx partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered minor and core.
- @lizzieandthebats (Modern Witch/Influencer)minorCollaboration with modern witch influencer @lizzieandthebats to create the limited-edition Blood Spell Collection of period underwear. The partnership involved creating spell-themed enchantments for three products (Confidence, Money Moves, Love) as part of a marketing campaign running March 20-25 across TikTok and Meta platforms.
- MAS Holdings (Sri Lanka)coreMAS is a global leader in ethical manufacturing based in Sri Lanka. They operate under three pillars: products changed for good, our planet changed for good, and lives changed for good. MAS handles production of Thinx underwear under ethical working conditions with sustainable manufacturing processes.
- PERIOD. (Menstrual Equity Organization)coreThinx partners with PERIOD., a nonprofit organization focused on menstrual equity. Together they released the 2025 State of the Period Survey Results ahead of the 7th Annual Period Action Day. Thinx has also partnered with PERIOD. to give away free reusable period underwear and educational resources to teen athletes to address menstrual stigma and period poverty.
Scale indicators5 records
Recent moves7 records
Expansion highlights6 records
Thinx competitors and assessment
Company assessmentMarket position
Competitive moat4 records
Key highlights12 records
Customer concentration
Thinx social profiles
Digital presenceThinx compliance and trust
Trust signalCompliance2 records
Thinx financial estimates
Financial estimateRevenue estimate
Valuation estimate
Thinx leadership team
Management profileNumber of profiles
Profiles1 record
Thinx funding detail
Funding detailFunding overview
Funding rounds3 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Thinx 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 Thinx
What does Thinx do?
Thinx designs, manufactures, and sells reusable, machine-washable absorbent underwear for menstrual periods, light bladder leaks, and teens. Products use a proprietary 4-layer gusset with moisture-wicking, ultra-absorbent core, odor control, and LeakSafe™ barrier layers, providing up to 12 hours of leakproof protection across multiple style lines including Hiphugger, Brief, Hi-waist, Boyshort, Sleep Shorts, and Bikini.
Is Thinx a public or private company?
Thinx is a private company. It is classified as corporate owned and is currently operating.
When was Thinx founded?
Thinx was founded in 2013. It employs 101 to 250 people.
Where is Thinx based?
Thinx is headquartered in New York, United States, in the North America region.
How does Thinx make money?
Three revenue lines are on record. Direct E-commerce Sales are the primary driver. The others are thinx Rewards Subscription Program and referral Program.
Does Thinx have an API?
No public API is recorded for Thinx.
What industry is Thinx in?
Thinx's product category is Reusable Absorbent Underwear. Its primary akta.pro industry code is CRABAIAG, Period Underwear, with a secondary code of CRAAAIAB, Panties & Briefs. Its SIC code is 2340.