Sky Master car camping products are made in the USA by Portland Woolen Mills. Portland Woolen Mills was built in 1904 along Oregon's Willamette River. During World War I, it manufactured clothing and blankets for the United States Armed Forces. During WWII it produced wool blankets and wool melton uniform fabrics. In 1960, it ceased operations.
Portland Woolen Mills relaunched as an outdoor brand in 2016, manufacturing quilts and blankets under the Sky Master brand.