Product description amazingly fast drying cocona fabric keeps you feeling cooler its also armour storm so its waterproof and very breathable in short its the best golf jacket for the worst conditions armour storm fabrication is 100 waterproof breathable with fully taped seams 10k25k rating cocona fabric disperses moisture quickly to dry incredibly fast 2 5 layer bonded fabric with a durable smooth exterior printed interior adjustable hem with bungee cord lock secure