The men's Choko CFR nylon jacket has a double action combination outer shell which is made of waterproof, breathable 420 denier oxford nylon combined with rugged 1000 deniers dobby nylon, technically coated for a softer feel and protected with a Teflon finish. The lining is made of the Weather-Tec Plus system which consists of 16 oz. of Northern Fleece quilted to 6.6 oz. DuPont Thermolite micro insulation for a combined 22.6 oz. thermal factor. The sleeves are lined with 6.6 oz. DuPont Thermolite insulation. This jacket has an adjustable bottom, cuffs and cummerbund. The underarm vents have waterproof zippers for aeration. It also has a soft and comfortable fleece lined collar, front zipper double storm flap protection, action sleeves, and zippered outer shell pockets lined with brushed cotton for warmth and waterproofed for durability.