From Off Axis:
100% polyester micro pique. Moisture wicking for cool comfort. Wash-and-wear functionality reduces shrinking and resists fading. Contrast shoulders and contrast piecing at base of dyed-to-match three-button placket. Curved contrast piping at the sides. Open sleeves and bottom side vents with reinforced bartacks. Single-needle stitching throughout.
Fit Guidelines (chest size in inches): S = 34-36, M = 38-40, L = 42-44, XL = 46-48, 2XL = 50-52