The DWR coating makes the fabric water repellent, so that water forms droplets on its surface and runs off instead of soaking in. This protects the fabric from getting wet quickly, providing greater comfort in wet conditions, but does not guarantee full water repellency.

A technology used by the Pinguin brand in sleeping bags. It is responsible for the correct microclimate inside the sleeping bag. It prevents the heat generated by the human body from escaping to the outside, while providing excellent breathability. It also increases the material's resistance to moisture.