58% Polyester / 30% Recycled Polyester / 12% Elastane. Ribbed Collar. 3 Button Placket. Single Knit Fabrication Creates A Lightweight Material That Is Flexible And Comfortable. Chevron Logo At Right Sleeve. Model Is 6'1" And Wears Size Medium. Machine Wash. X-SeriesFor men who prefer a tighter fit, perfectly suited for the modern golfer who wants to embrace a more tapered silhouette.. Opti-Dri™. Transfers moisture away from your body to keep you cool and dry.