UNIQLO HEATTECH short-sleeved undershirt, size 140, warm and comfortable material. - Brand: UNIQLO - Model Name: HEATTECH - Size: 140 - Material: 38% Acrylic, 42% Polyester, 20% Polyurethane - Sleeve Length: Short Sleeve Thank you for viewing. I'm selling this because my child has outgrown it, but it still seems wearable. This is a used item. Please refrain from purchasing if you are concerned about minor details or are particularly sensitive to used items, as it has been stored by a private individual. Instant purchase is welcome. Returns are not accepted after purchase. Thank you.