Ski Thermal underwear Helly Hansen H1 Pro Lifa Merino Race Top Navy – 2023/24

Energy Accumulator 4.0 is a legendary, award-winning, high-class thermoactive underwear created for the highest performance. Packed with the latest, intelligent technological solutions, it supports the body’s endurance in all conditions! In version 4.0, it is enriched with revolutionary zonal compression and the patented 3D Bionic Sphere® system with ThermoSyphon® technology. Experience greater freedom of movement, thermal comfort and unprecedented performance with the Energy Accumulator 4.0!