Waterproof;Windproof;Breathable;Cut out label;Waterproof hydrostatic head of 10000mm. All waterproof garments will be given a waterproof rating that is determined with a hydrostatic head test, most often this is expressed in mm. The higher the rating the more waterproof it is. If a garment is 1000mm waterproof this means the fabric can withstand 1000mm of water over a day before water will start to penetrate through.;Thermo-reflect lining panel for heat retention.