4.3 oz, 100% POLYESTER DOUBLE KNIT JACQUARD POLOOpti-Dri technology transfers moisture away from the body to keep you cool and dryUV Repel technology keeps skin safe from the sun's harmful rays UPF 50 Self-fabric collar3-button placket with Callaway embossed buttonsDouble needle hemmed bottom with side ventsHeat seal label provides tag-free comfortTonal embroidered Callaway Cheveron logo on right sleeve