This warm underwear set will be useful in the coming season. All sizes are 100. - Hotcott leggings - Two quilted long-sleeved undershirts, colors blue and black. I used these when my child was small, but they weren't worn much, so they have been stored in good condition. How about them for the coming season? Please note that the Hotcott leggings have a name written on the tag. Also, please understand that these are used children's clothes before purchasing.