Gordini Women's Midweight 2-Layer Wool Long-Sleeve Crew OUTER LAYER: 20% Merino Wool/ 80% Polyester/ INNER LAYER: 100% Polyester Imported Soft, breathable, low pill fabric that stretches for optimum fit Anti-microbial to reduce bacteria and odor Moisture wicking to keep you dry, warm and comfortable Dries 5 times faster than cotton Easy care: Machine wash- Tumble dry- No bleach