What activities is it suitable for?Hiking 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. PROSTRETCH Modern material, which is pleasant to the touch and thanks to combing from the reverse side shows good insulating properties. Its biggest advantage, which will be appreciated by all active athletes, is its adaptability in movement. 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. 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. 2-WAY ZIP A two-way zip is used on the product.