Please note: The style received may vary from the image shown. This Mens Nike Pro Core Short Sleeve Base Layer is designed to keep you cool and also benefits from the Dri-Fit technology which ensures you'll remain dry and comfortable during your sporting activities. Mens Base Layer with a round neck and short sleeves. Features Dri-Fit technology to keep you cool. Designed to keep you cool with a compression fit. Nike Swoosh branding. Body: 90% Polyester/ 10% Elastane. Mesh: 92% Polyester/ 8% Elastane. Machine washable.