The Westbury range has all the important qualities for which KAMMO is famous - waterproof, breathable, windproof and silent. The Westbury is made using our tried and tested two layer construction. The outer fabric won't stiffen up no matter how cold and wet it gets. The lining is constructed in waterproof and breathable Vapourflex. The barrier will keep you dry and comfortable - no matter what the weather throws at you!