evo.com | Helly Hansen Long Underwear Tops > Need warmth and breathability in the cold? The Helly Hansen Lifa Merino Midweight 1/2 Zip Baselayer Top is your one stop base layer shop for for everything winter. Combining one layer of 100% merino wool with HH's LIFA(R) StayWarm tech, this midweight half zip top has everything you need to regulate your temperature and stay out longer, chill free! Flat Lock Seams for Maximum Comfort Snug High Performance Fit Printed Performance Stripe at Cuffs 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 1/2 Zip Baselayer Top 2026 - X-Large Blue | Wool