Devold Thermal - made from 100 % pure new wool, provides good protection against cold, radiant heat and flames. The garments have a smooth outer surface to give the best protection. Wool is voluminous and airy and has excellent insulation properties. With Devold Thermal, you keep warm even at rest, since wool can absorb significant amounts of moisture without feeling wet. Devold Thermal is user-friendly with side panels, and thumb loops to maximize protection and isolation. Wool does not melt, and Devold Thermal is Zirpro treated to give extra flame retardant properties. The garments are also antishrink treated to give dimentional stability.