With the NRS Womens HydroSilk, you can have both comfort and function. It's the perfect solo layer when the weather is warm, and makes a great base layer for colder days. Soft on the inside and silky smooth on the outside, this nylon/spandex blend wicks and dries quickly for all day comfort. The HydroSilk shirt offers UPF 50 UV protection to guard your skin from the sun's harmful rays. Discontinued style.