What activities is it suitable for?Hiking In-Line Mountaineering Nordic Running Walking-Tourism X-Country Technology & FeaturesPFC FREE This is a treatment on the top of the material. This treatment increases resistance to moisture penetration. The treatment does not contain fluorocarbons and is therefore environmentally friendly. Ultralight It is a very light material with minimal volume, resistant to wind while maintaining excellent water vapor permeability, and thus sweat wicking. Water repellency and vapour permeability This is a permanent impregnation or light coating applied to the top or bottom of the material. This treatment increases resistance to moisture penetration while keeping the material vapour-permeable. LADIES SIZE A type of clothing that is shaped to an atypical female figure. The size designation is supplemented by the suffix L. SLIM FIT A garment marked in this way is shaped to the figure, fits close to the body. STREAK REFLEX Refers to a reflective material placed on clothing that causes a light effect. It is an important safety feature, especially for children and athletes in poor visibility. Thanks to this, it is possible to observe a person even at a greater distance.