50% Merino Wool, 50% Polyacrylic. Fabric: 14 Gauge. Design: Plain. Hem: Ribbed. Neckline: Crew Neck, Ribbed. Sleeve-Type: Long-Sleeved, Set-in. Cuff: Ribbed. Fit: Tailored. Fastening: Pull Over. Sustainability: Amfori, BSCI, Oeko-Tex Standard 100 Certified. S: 37 in. M: 39.5 in. L: 41.5 in. XL: 44 in. XXL: 46.5 in. 3XL: 49 in. Ref: UTPC8164