knixcom

Knix, founded in Toronto by Joanna Griffiths in 2013, reinvented intimates with leakproof underwear and wireless bras. The brand blends performance fabrics, comfortable everyday cuts and inclusive sizing — a direct-to-consumer label known for practical, confidence-boosting basics built for real life.

Founded2013

Price tier$$

Main focusLeakproof underwear & wireless bras

ShippingShips to US & Canada (international options available)

Why Knix

Smart intimates engineered for real life.

01Leakproof InnovationKnix made period- and leak-proof underwear mainstream with absorbent, discreet layers that replace disposables and perform under everyday pressure.

02Comfort-First FitWireless bras and seamless underwear prioritize stretch, soft waistbands and breathable fabrics so pieces move comfortably from morning to night.

03Inclusive Sizing & DesignA wide size range and realistic marketing mean Knix designs are built to fit diverse bodies and real-life needs, not just idealized models.

Period-Ready Underwear

Knix’s leakproof underwear is engineered with multiple discreet layers: a moisture-wicking top, an absorbent core and a waterproof barrier. Designed for daily wear, styles range from thongs to full-coverage briefs and are machine-washable. They’re ideal for periods, bladder leaks or extra protection on busy days—practical, reliable and designed to feel like your favorite underwear.

Wireless Bras & Bralettes

The brand’s wireless bras and bralettes focus on supportive stretch without underwires, using molded cups, removable pads and wide bands for stability. Comfortable for long wear, they come in everyday and loungewear silhouettes and pair seamlessly with Knix bottoms. Expect breathable fabrics, simple styling and easy-care construction for a modern intimates wardrobe.

What They Sell

Leakproof underwearBras & bralettesMaternity & nursingLoungewearSleepwearActivewearShapewearIntimate accessories

The Verdict

What we like

Proven leakproof technology that replaces disposable products
Comfort-first wireless bras and seamless construction
Inclusive sizing and realistic, body-positive marketing
Helpful online fit guides and responsive customer support

Worth knowing

Mid-range price point can feel premium for basics
Popular sizes and colors sometimes sell out quickly
Retail presence limited compared with major department stores

FAQs

Where does Knix ship?

Knix ships across the United States and Canada and offers international shipping options to select countries. Shipping speeds and costs vary by destination—check the site checkout for exact options.

What is the returns policy?

Knix accepts returns on most items within the timeframe specified on their website. Some hygiene items may have exceptions, so review Knix’s returns page for eligibility, condition requirements and how to start a return.

How can I save on my first order?

Knix periodically runs promotions and sometimes offers a welcome discount for email subscribers. Look for seasonal sales, bundle deals and occasional promo codes listed on the site or in communications.