Knix logo

Knix

Wireless bras, period proof underwear, sports bras, and loungewear. Philadelphia, Pennsylvania. Runs on Shopify Plus.

Knix is a Philadelphia, Pennsylvania brand selling wireless bras, period proof underwear, sports bras, and loungewear on Shopify Plus. Its store lists 643 products, mostly underwear, apparel and bra, priced from $19 to $118. It sells direct and through retail and wholesale and sells on Amazon. It employs 201 to 500 people and runs 27 apps from the Shopify App Store across 11 categories. It spends about $40K to $45K a month on those apps.

The store

Products listed
643
Counted on the storefront
Typical price
$19 to $118
Most products fall in this range
Underwear203Apparel106Bra90Swimsuit64Apparel Bottom36Swim Bottom32

Product types as Knix files them in its own catalogue.

What Knix runs on Shopify

27 apps from the Shopify App Store, across 11 categories.

Other6Affiliates & influencers5Email & SMS marketing3Search, upsell & discovery2Advertising & analytics2Loyalty, store credit & gift cards2Shipping, returns & order tracking2Product reviews2Page building1Helpdesk1Subscriptions1

Estimated app spend: about $40K to $45K a month.

Seen running on the storefront:AttentiveBlotout EdgeTagimpact.com Affiliate MarketingKlaviyoOkendoYotpo
See which 27 apps, and when each was added.sign in →

Counted from the Shopify App Store. A name shows only for an app our own visit to the storefront saw running, or to signed-in members. how we count.

Where Knix sells

Direct, knix.comRetailAmazonWholesale

Competitors

  1. leakproof/period underwear

  2. period underwear and sleepwear

  3. comfort bras and underwear

  4. modern comfort bras

  5. non-wire bras and underwear

  6. comfort bras and underwear

  7. period underwear

  8. Bravado Designs

    comfort bras

  9. modern intimates and loungewear

  10. bras, bodysuits, lounge

how we pick competitors

What apps does Knix use on Shopify?

Knix runs 27 apps from the Shopify App Store across 11 categories: Page building, Search, upsell & discovery, Affiliates & influencers, Email & SMS marketing, Other, Advertising & analytics, Loyalty, store credit & gift cards, Helpdesk, Shipping, returns & order tracking, Product reviews, Subscriptions. Seen running on its storefront: Attentive, Blotout EdgeTag, impact.com Affiliate Marketing, Klaviyo, Okendo, Yotpo.

Who are Knix's competitors?

The Shopify brands closest to Knix are Thinx Inc., Modibodi, Thirdlove, Honeylove and Negative.

Updated 2026-10-22. Method notes and every source: how we count →