Refined and re engineered castelli completely re engineered the narcisista bootie to make this perennial favourite even better the fabric has been changed to their fleece lined gore174 windstopper174 x fast to improve breathability and they39ve made the neoprene inserts even softer and more stretchy for a better fit castelli39s designers have also raised the height of the cuff for more coverage and protection this exceptionally warm bootie is ideal for cold and dry conditions tho