50% Merino Wool, 50% Polyacrylic. Fabric: 14 Gauge. Design: Plain. 270gsm. Hem: Knit Rib. Cuff: Knit Rib. Sleeve-Type: Long-Sleeved. Neckline: Standing Collar. Fit: Tailored. Fastening: Half Zip, Pull Over, SBS Zip. Sustainability: Amfori. S: 38 in. M: 40.5 in. L: 43 in. XL: 45 in. XXL: 47.5 in. 3XL: 50 in.