The perfect combination of Merino and LIFA® makes these base layers durable and warm. Our warmest base layers, LIFA® Merino, are a must-have for professional athletes and a favourite among kids. Unmatched durability makes these thermals ideal for active children who play hard.FeaturesLIFA® MERINOLIFA® STRIPEflat seams for extra comfortround neckextended backelastic waistbanddiscreet logo labelwool ZQmain fabric solution dyedThe wool in this product is certified according to the Responsible Wool Standard, certified by IDFL (TE-99972454).