.The Paramount ½ Zip has all of the qualities you expect from a top-tier t-neck, while sporting classic color blocking with the Spyder wordmark proudly across the center front.360º stretch polyester is moisture-wicking and moves with you whether you´re rocking this ½ zip as a base layer on the mountain or as a light layer around town on a warm spring day.FEATURES:-100% Polyester Jersey Knit UPF 50+.360º Stretch Polyester Jersey Knit.Fit:Fitted.Composición:-100% POLYESTER. Compare prices from: Spyder in Men's Clothing