The ultimate heat regulating performance base layer by HELLY HANSEN constructed with smart thermal mapping technology and featuring the best of LIFA® technologies in the H1 Pro Lifa Seamless pant.

H1 Pro Lifa Base Layers use thermal mapping and the Lifa® technologies by HELLY HANSEN to precisely control your body temperature, giving you the right amount of warmth in high intensity scenarios. The Women's H1 Pro Lifa Seamless Pant are constructed with snug, high performance fit.