The best children's underwear on the market uses a clever 2-layer construction to keep young active ones dry and warm. Our LIFA® technology wicks moisture away while the soft merino wool creates breathable warmth. We've improved it with cool prints because basics can be fun too. Features: elastic waistband, flat seams for added comfort, graphic print, non-irritating fabric. Composition: Shell: 57% merino wool, 43% polypropylene. Certifications: wool ZQ. Main fabric solution dyed. Specifications: Inside leg length at CB: 54/61 cm. Care: Machine wash warm - 40°C, very gentle cycle. Do not bleach, do not tumble dry, do not iron, do not dry clean. Do not use fabric softener, do not twist, use wool detergent, wash inside out.