About Us

Katie K Active is designed to be both fashionable and street smart, allowing you to run from yoga, to meeting friends, to getting errands done, all the while feeling confident and put together.

As a former fitness trainer, Katie Kozloff, founder and designer of Katie K Active, had various clients of all shapes and sizes. She heard firsthand that many of these women struggled to find stylish activewear for their daily runs and hitting the gym. Katie was inspired to fulfill this need by creating a line of activewear that combined performance, fashion, and fit for all women.

What Makes Katie K Active Different?

Double-Fit Technology

Women from sizes small to 3x rave about how Katie K Active clothes fit and flatter their bodies. That’s because fit is our top priority. You can have great colors, prints, and designs, but without great fit, none of that matters.


Did you know that most plus size brands take regular size measurements and just expand them in every direction?

At Katie K, we carefully double-fit each piece, fitting the clothing once on a straight size model and again on a plus size model. This ensures an exceptional fit, whether you’re a size medium or a size 2x.

Inclusive Sizing

You should have access to stylish, trendy, and fashionable activewear, no matter your size! We are proud to offer fun and flattering styles in sizes small through 3x.

Look Good, Feel Good, Be Motivated!

When you look and feel fabulous, you’ll feel even more motivated to work out and take care of your body! Our goal is to help empower women to live healthy lifestyles. It doesn’t matter what size you are, as long as you get up and move, be active, and show up for yourself today.