a unique 2-in-1 base layer with 100% merino wool exterior and 100% lifa stay warm technology interior lifa merino midweight is perfect for any type of activity in cold weather. 100% polyamide lifa merino midweight 49380 a unique 2-in-1 base layer with 100% merino wool combined with lifa stay warm technology in a 2 layer construction lifa merino midweight delivers all the great benefits of merino wool fibers plus the unique properties of technical lifa fibers. 2-layer construction ,100% merino wool exterior ,225g lifa merino fabric ,non-itch ,flat lock seams ; Department name: Women s