A thermal layer worn beneath a protecting head protecting, usually constructed from insulating supplies like fleece, Thinsulate, or merino wool, supplies essential heat in low temperatures. This supplementary headwear presents a cosy match and is designed to entice warmth, stopping discomfort and potential cold-related accidents. An instance can be a fleece-lined beanie worn below a tough hat on a building web site throughout winter.
Sustaining head heat is important for general thermal regulation, as a big quantity of physique warmth might be misplaced by means of the pinnacle. Such liners supply a sensible answer in numerous occupational and leisure settings the place helmets are required, together with building, winter sports activities, and motorcycling. Traditionally, related types of head insulation have been employed, evolving from easy wool caps to the superior technical materials out there as we speak. This highlights the enduring want for efficient head heat in difficult circumstances.
