64% Cotton / 32% Recycled Nylon / 4% Elastane. Stretch To Give Full Range Of Motion. Active Waistband. Front And Rear Pockets. Stretch Fabric. Opti Dri™ Wicks Away Moisture To Keep You Dry. Flex Fabric Increases Range In Motion. Machine Wash. X-SeriesFor men who prefer a tighter fit, perfectly suited for the modern golfer who wants to embrace a more tapered silhouette.