Callaway 2015 Weather Series Windproof Vest Mens Golf Water Repellent Gilet Windproof/Breathable fabric.Core Weather Series fabric. Elasticated side panels. Body :100% Polyester. Side Panel 94% polyester 6%Spandex. Lining:100% Polyester. Stylish Design. Full Zip. Soft Fabric. Two zipped pockets.