CAUTION! Grab your shades, because we are talking BRIGHT! Yellow screams NOTICE ME! And why wouldn't you love to show off the hardwork you are putting in? 2018 trend of yellow activewear infiltrated down from the runways of our favorite designers who took a inspo from athleisure and streetwear. Whether it's canary or highlighter shades, this is the color of happiness. Brighten up your 2018 activewear wardrobe with some of these key pieces.