Uniqlo Heattech. This is a used item that has been worn, so please understand that there may be some pilling. ★ Size: M (Measured flat) Width: 37cm Length: 57cm Sleeve length (from underarm): 43cm ★ Color: Brown ★ Material: Acrylic 39% Polyester 33% Rayon 20% Polyurethane 8% ● This item will be folded for shipping.