ColdPruf Women's Performance Single Layer Long Sleeve Crew Neck Top 96% CPT Performance Polyester / 4% Spandex Imported Single layer, jersey knit fabric with a close moves-with-you athletic fit Self-fabric cuffs with ColdPruf wordmark on sleeve Tagless labeling and flat seems provide a smooth fit and extra comfort Moisture management wicks perspiration and dries quickly Featuring ColdPruf Technical Fiber formulated with Silvadur Intelligent Freshness to minimize odor and odor causing bacteria on fabric Best used as a base layer in cold to very cold weather and medium to high activity levels