90% polyester 10% spandex. Made in China. Gentle hand wash. Pull-on styling. Lightweight mesh fabric. Halterneck styling. Item not sold as a set. SERR-WS235. 3957-12. SER.O.YA is a New York-based contemporary brand with a purpose that transcends fashion. Through a collection of unconstrained gender-optional designs SER.O.YA aims to be a vessel for positivity spreading good energy encouraging connectivity and catalyzing social movement. Each drop SER.O.YA partners with a different organization with a portion of the proceeds being donated to each charitable cause. We say do you wear you.