Tugboat Bamboo Knotted HatTugboat Bamboo Knotted Hat Our Knotted Hats are made of the softest material viscose from bamboo! So gentle on the skin, making it the perfect item for your little one's delicate skin. Fits Newborn 0 3 Months Our Tugboat pattern was created to be a gender neutral classic design! This hat matches the Tugboat Sleeper we also have! Double layer durable design 95% viscose from bamboo; 5% spandex Machine wash cold This hat can typically ship in a day.