Get into the winter game with the Helly Hansen Lifa Merino Midweight Crew Baselayer Top. Merino has long been the standard for warmth and breathability when it comes to layering. Helly Hansen ups the game with their dual layer LIFA® Stay Warm technology in a fitted 2-layer construction. Breathable warmth combined with Lifa's moisture management technology makes the Midweight Crew super effective at everything you expect when you're on the mountain, out for a winter stroll, or ticking a new peak off your bucket list.