These long pants, size 150, are made with UNIQLO's AIRism material, providing a comfortable feel and breathability. Purchased new at the store. Used once each for a school excursion. The name tag area has been cut out. - Brand: UNIQLO - Size: 150 - Material: 63% Polyester, 37% Nylon - Features: AIRism - Colors: White, Black Thank you for looking.