Nike Zonal Cooling Men's Striped Golf Polo SWEAT-WICKING VENTILATION. The Nike Zonal Cooling Men's Striped Golf Polo combines stretchy knit fabric with sweat-wicking technology so you can stay cool and comfortable. Nike Zonal Cooling technology enhances ventilation where you need it the most. Nike Zonal Cooling technology helps keep you cool without distraction. Standard fit provides a relaxed, comfortable feel. Raglan sleeves let you move naturally through your swing. 2-button placket lets you adjust your fit. Fold-over collar for classic polo style. Circular-knit fabric is lightweight, stretchy and enhances breathability by placing an open-knit pattern in high-heat and high-motion areas. 100% POLYESTER