UNIQLO HEATTECH Knit Cap - Brand: UNIQLO - Model Name: HEATTECH - Size: ONE SIZE (540-640mm) - Material: 85% Acrylic, 13% Wool, 1% Nylon, 1% Polyurethane - Color: Red Purchased last year. I think it's unisex. Hardly used after purchase. Non-smoker. Thank you.