I/O Merino offers premium Australian wool base layers, casual and active wear. Using only 18.5micron Australian merino, our apparel is super soft on the skin, naturally anti-microbial and thermoregulating. With over 140years of industry experience with the Michell Family, we push the boundaries to bring you the best in quality and comfort. We use it. We recommend it. It is our passion. www.iomerino.com