A naturally odor-fighting, breathable, and sweat-wicking cycling base layer constructed from a performance merino wool blend to keep you warm, even when wet.Breathability - Powered by the natural magic of merino wool, the long-sleeve winter base layer is highly breathable.Fast Dry - The Element Merino Base Layer dries quickly to keep sweat from cooling your core body temperature.Fit - Elastic fabrics and an ergonomic silhouette provide a slim fit that pairs well beneath any cycling jersey.Lightness - For an added touch of warmth, the Element Merino Base Layer is just a bit thicker than our mild-weather base layers.Temperature - Whether it's winter, early spring, or late fall, the Element Merino Base Layer is ready for cool conditions.Thermo - Balancing warmth with weight and breathability, this long-sleeve base layer provides a moderate level of insulation. Specification Material - 67% Wool 22% Polyamide 11% Elastane