Children Clothing & Jewellery Buy fan merchandise Elbenwald Viking Garment's through History Buy Children's Plus Velvet Thermal Underwear Baby Autumn and Winter Summer children's sleeveless cotton vest undershirt boys base I shaped Kids Organic Undies Woollykins. Our children's underdress Ylvi is the little sister of our Under Dress Freya and together with our Children's Over Dress Ylva completes the outfit for inquisitive little adventurers. The untreated fabric made of pure cotton is not only comfortable to wear, but also robust enough to meet the special requirements of childlike adventurousness.