Hyvat - is a special 3 layer fabric that insulates, is waterproof, gives protection against wind, protection from the cold, moisture infiltration, evaporation, and promotes ventilation. Proprietary three-layer configuration incorporates two different microporous layers. Specially treated base fabric for durable water repellency.
Layer 1 - ''Foam'' layer with minuscule micropores improves waterproofness, and durability
Layer 2 - Regularly configure micropores increase moisture permeability