Technical thermal layer that combines comfort, light weight, and breathability with extraordinary thermal insulation. Cloth designed around humans characterized by cuts that enhance ergonomics. The structure of the elasticated fabric facilitates the outward transfer of sweat created during physical activity in order to guarantee constant body temperature. The material is soft and smooth against the skin, antiallergic, does not produce bothersome noise during movement, and is easy to care for. Thermo insulation level: 99%.