This undershirt is made of HEATTECH material, providing excellent insulation. Would be suitable for daycare. Please purchase if you understand that this is a used item worn by a child, has been inspected by a non-professional, and has been stored at home. ☺︎ - Color: Black - Size: 90 - Material: 54% Polyester, 39% Rayon, 7% Polyurethane There are some pills, but there is no damage, so it can still be worn! Thank you for looking.