The Sail Jacket s fully seam sealed and engineered from 100% waterproof, 100% windproof and highly breathable TP1 and features YKK water resistant zips. The durable and weatherproof jacket has been designed with multi-use as a primary concern but without compromising the function or integrity of the garment. Transports perspiration/vapour moisture. Durable Water Repellency (DWR) finish helps shed surface water maintaining the performance and comfort of the garment. Microporous coating with a hydrophilic top coat provides breathability, reduces condensation and keeps you dry.