NIKE Men's Golf Shield 1/2 Zip Top 100% Polyester Imported Lightweight, windproof fabric for protection on the course; Mock neck zips up to the chin help block out the elements Mesh-lined garment for breathable coverage; Side zip pockets for secure storage. Drawcord and toggle at hem for adjustability and enhanced fit Front panel: 2.5 oz. 100% polyester zilla taffeta; Back panel and sleeves: 1.0 oz. 70% polyester 29% polyurethane Composite with knit face