Running, hiking, or a brisk morning walk - the lightweight Climate Shirt keeps off the chill and wicks away sweat. Fit & Design: Quarter zip closure to make it easy to get on and off Wicks sweat with woven fabric and a multi-dimensional surface Spiral darts elbow and contoured back seam Thumb hole for all-over coverage Additional Details: Side zip pocket for essentials Reflective details Warm in the cold, cool in the heat