UGG is an Aussie footwear brand that was established in the early 1970s. The brand gained popularity when surfers in Australia started wearing UGG boots to keep their tootsies warm after being in the ocean. The word “UGG” originally denoted to a style of wool boot, but it eventually became synonymous with the specific style of boot. https://podiatryabc.com/u-is-for-ugg-boots/