50% Merino Wool, 50% Polyacrylic. Fabric: 12 Gauge, Knitted. Design: Plain. Hem: Ribbed. Neckline: Crew Neck. Sleeve-Type: Long-Sleeved. Cuff: Ribbed. Fit: Tailored. Fastening: Pull Over. Sustainability: Amfori, BSCI, Oeko-Tex Standard 100 Certified.