The Regatta Women’s Calderdale II Jacket is a waterproof and breathable jacket ideal for keeping you dry and comfortable in the great outdoors. The Isotex 5000 fabric is waterproof, windproof and breathable with fully taped seams, keeping wind and water out and giving you confidence whether you are hiking or going on a day trip. The jacket features a concealed hood with adjustment, part mesh and part taffeta lining and multiple pockets to store your belongings. There are 2 zipped lower pockets, 2 chest zipped pockets and a map pocket. Isotex Waterproof Fabric Regatta Isotex fabric is waterproof, windproof and breathable to help keep you dry and comfortable whatever the weather. The waterproof nature of the fabric keeps water out while the breathable system allows moisture vapour to escape. All Isotex fabric garments are treated with a durable water repellent finish to help water bead and run off. The fabric is completely windproof which eliminates windchill and keeps cold air out.