Check the listing for details. 2 Sets Kids Thermal Underwear Set Long Johns Base Layer Tops Bottom for Skiing. Color: Black, Condition: New with tags. Listed at 22.99 USD. 【EXTRA INNER FLEECE,ULTRA SOFT & WARM 】. Our functional underwear set kids is lined with fleece and normal thickness ensures that the children's body is comfortably tempered, heat is supplied and heat loss is reduced. The boys thermal underwear set warm is available for children from 8 to 16 years, suitable for a height of 125 to 175 cm and a weight of 27 kg to 60 kg. 【FULL MOBILITY AND FREEDOM OF MOVEMENT】 Our boys thermal underwear set is made of 92% polyester + 8% spandex. The elastic waistband made of high stretch material with four-way stretch design improves your child's mobility and allows him to move freely in any direction. Ski functional underwear for kids is abrasion resistant, comfortable and lightweight, perfect for outdoor activities in winter. .