The sun protection hat protects baby's head, neck, and eyes while playing in the sun. The wicking liner is breathable for comfort, and the UPF 50+ material dries quickly if it gets wet to support baby's active play. The tie strap keep the hat in place, and the adjustable toggle creates a custom-fit as baby grows! parents love how easy it is to pack for on-the-go activities, and the choice of fun, bright prints.