Designed specifically for women, the NRS Women's HydroSilk is the perfect solo layer when the weather is warm, and makes a great base layer when the weather gets cold. The new 8-oz. nylon/spandex blend wicks moisture away so you stay dry and comfortable. SPF 50 UV protection guards your skin from the sun's harmful rays. Form-fitting design allows for unrestricted layering. A silky outside and soft-brushed inner feels great against the skin Cut specifically for a woman's body, this top will become your most versatile layer.