The best kids´ base layer on the market uses a clever 2-layer construction to keep active youth dry and warm.Our LIFA® technology wicks away moisture while soft Merino wool creates breathable warmth.Features:LIFA® MERINO.LIFA® STRIPE.Non-itch fabric.Flatlock seams for extra comfort.Elastic waist.ZQ wool.Solution Dyed Main Fabric.Composition:Shell:57% Merino Wool, 43% Polypropylene.