What activities is it suitable for?Hiking Mountaineering Nordic Ski Walking-Tourism Technology & FeaturesDOWN FILLING Natural down filling is characterized by low weight, high thermal insulation and small transport volume. It is made of 90% down feathers and 10% feathers Durable water repellency Material with DWR (Durable Water Repellency) treatment has a specially applied water-repellent layer. Incident moisture (water, snow) creates tiny droplets that immediately drain away from the surface of the material. Thanks to this DWR treatment, the clothes stay dry longer even in adverse weather. Ultralight It is a very light material with minimal volume, resistant to wind while maintaining excellent water vapor permeability, and thus sweat wicking. PACKABLE The product is packable into a pocket. SLIM FIT A garment marked in this way is shaped to the figure, fits close to the body. BREATHABLE MATERIAL The material is breathable, moisture is wicked away from the body in the form of steam. GENTS SIZE A type of clothing that is shaped to an atypical male figure. The size designation is from XXXXL to 5XL.