UPF 50+ | Stay-put tie strap | Quick-dry material for active play | Wicking liner for comfort | Adjustable toggle for custom fit & to grow with baby | Lightweight & packable for easy on the go | Coordinates with i play.® Swim & Sun Wear | Materials: Microfiber polyester; Polyester lining | Machine washable | Made without Azo-dyes and Formaldehyde