EVERYWEAR
YOU’LL WANT TO LIVE IN.
Established in 2015 and headquartered in New York City, Grey Matter Concepts is a women-owned developer of underwear, socks, thermals and base layers for licensed brands and major US retailers.
We make the basics people wear every day, and we hold them to the standards of the brands whose names are on them.
Our Pledge
“As a proud, Women-Owned brand, we're committed to creating essential pieces that work with you while respecting the people and planet that make them possible. We don't just make better basics. We make ‘Every Wear’ — clothing engineered for every day, every body and every function.”
Rachel Landau — Founder & CEO
Awards and Recognition
Certified
Business
Rachel Landau
2024 – 2025
Sustainability Isn't Just a Commitment
It is a practice woven into every fiber. We ensure rigorous fabric quality validation, maintain transparent and audited manufacturing, and build giving back directly into our business model. As a proud Women-Owned brand, we care deeply about how clothes are made, who makes them, and how they serve you. Our essentials are designed to last, respect the planet, and deliver the comfort you can trust.
Portfolio
Brand Partners
