Keep your little one warm and cozy in the winter season with the full-sleeve innerwear by Mi Arcus. Rib-knit in soft 50% viscose, 20% nylon, and 30% polyester blend, the solid-colored innerwear features full sleeves, a round neckline with an envelop style, and extra stretchability. Available in different sizes for kids 18 months - 6 years old.