Black and Yellow Crocheted Hat with Flaps. The hat was hand crocheted using machine washable, machine dryable and hypoallergenic sports yarn. It measures 21 inches around and 6-1/2 inches tall with 6 inch crocheted flaps on the sides. The digital picture may not accurately reflect the true colors of the hat. All crocheted items should be washed in cold water only. All measurements are approximate