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 Fiber content: -Shell: 57% merino wool, 43% polypropylene Care instructions: -Use wool detergent -Do not use fabric softener -Wash inside out -Do not wring