Merriam - Webster dictionary defines it;
athleisure noun - ath·lei·sure | \ˈath-ˌlē-zhər, -ˌle-, -ˌlā-, ÷ˈa-thə-\
Definition of athleisure : casual clothing designed to be worn both for exercising and for general use, In the world of fashion.
I define it as the style I have been wearing for the past few years and had no idea there was a word for it;) I am excited to branch out into this new category and help fill your closet with comfy stylish clothing perfect for the gym or that lazy Sunday in binge-watching your favorite program!