A thermal layer worn beneath a protecting head protecting, sometimes constructed from insulating supplies like fleece, Thinsulate, or merino wool, offers essential heat in low temperatures. This supplementary headwear provides a cosy match and is designed to lure warmth, stopping discomfort and potential cold-related accidents. An instance can be a fleece-lined beanie worn underneath a tough hat on a building website throughout winter.
Sustaining head heat is significant for general thermal regulation, as a major quantity of physique warmth might be misplaced via the top. Such liners supply a sensible answer in varied 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 obtainable immediately. This highlights the enduring want for efficient head heat in difficult circumstances.
