Fabric FIONx™ fabric: Lightweight, breathable, and ridiculously soft, with moisture-wicking and super durable four-way stretch properties. Silvadur™ antimicrobial technology: Provides odor protection, inhibits bacteria growth, and extends product lifespan. Materials 72% Polyester 21% Rayon 7% Spandex Body lining: 100% Polyester Care Wash cold, inside-out Tumble dry low