Kids' size 160 Equivalent to an adult's M. Lightweight and warm with a comfortable amount of room, it's stylish even when peeking out from under a sweater or sweatshirt. *Please check the photos for details on the size and materials. No tags, stored at home. Please see my profile. Please confirm availability. #StyleHeat #WarmInnerwear #LongSleeveTShirt #ColdProtection