The perfect combination of Merino and LIFA® make these base layers durable and warm. Our warmest base layers, LIFA® Merino is a staple with professional athletes and a favorite with kids. Unmatched durability makes these thermals perfect for active kids who play hard and playful graphics only add to the fun. Features: -LIFA® MERINO -LIFA® STRIPE -Flatlock seams for extra comfort -Crew neck -Tail drop -Elastic waist -Discrete logo tab -ZQ wool -Solution dyed main fabric Fiber content: -Shell: 57% merino wool, 43% polypropylene Care instructions: -Wash dark colours separately -Wash inside out -Use wool detergent -Do not use fabric softener -Do not wring