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The Helly Hansen H1 Pro Lifa Seamless Pants are the ultimate long johns. By combining the powers of merino wool and Helly Hansen's signature LIFA® baselayer material these seamless pants provide everything you need in a lower base layer. They're breathable enough for absurdly long skin tracks and warm enough for absurdly huge snowstorms.
Merino Wool Exterior / LIFA® Polypropylene Interior – LIFA® 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.
Snug, High Performance Fit
Seamless Construction
Body Mapping Technology
Body Heat Regulation Panels