15K / 10K 2 3 WATERPROOF MEMBRANE DURABLE WATER REPELLENCY OUTERSHELL FABRIC 1 A fully waterproof and breathable performance fabric ideal for snowy conditions. Our high performance fabrics have increased levels of waterproofness and breathability, offering outstanding protection against the elements. These fabrics are treated with a special nano durable and water repellent coating, which acts as the first barrier against the elements. 2 20,000mm WP / 20,000 MVP 5,000mm WP / 5,000 MVP