For those, like us, who believe that golf is an all-weather sport, here are some essential new products. WhisperSoft Gore-Tex bucket hat from Zero Restriction; $50; 800-367-0669, zerorestriction.com; check web site for store nearest you. Golf umbrella from GustBuster; $60; 888-487-8287, gustbuster.com; GolfSmith, Neiman Marcus. Silk Touch playing top with zip-off sleeves from ProQuip; $260; 800-322-9939, proquipgolf.com; available at pro shops nationwide. Wet weather gloves from Nike Golf; $24; 800-799-6453, nikegolf.com; check web site for stores. Casual Cool GTX shoe with Gore-Tex from Ecco; $190; 800-886-3226, eccousa.com; check web site for stores.