Two-piece pajama set, size 120, made of cotton. Features a striped, bellyband-style waistband. - Colors: Gray, Navy - Material: Cotton - Size: 120 - Design: Striped waistband Thin material, suitable for year-round use. My son wore a lot of these when he was up to size 100, but he tends to get hot, so he hardly wore this size, and it's in good condition.