evo.com | Helly Hansen Long Underwear Tops > 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(R) 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. Flat Lock Seams for Maximum Comfort Regular Fit Inseam 25.59 in / 65 cm 225 g/m^2 57% Merino Wool Exterior / 43% LIFA(R) Polypropylene Interior LIFA(R) is the original Helly Hansen base layer, trusted by professionals around the world to provide warmth and insulation in cold weather. It is at its best when layered underneath another garment as it will push moisture away from skin and make sure you stay warm, dry and comfortable. | Women's Helly Hansen Lifa Midweight Crew Baselayer Top - X-Small Black | Wool