In regard to naming, it appears that ugg boots, ugh boots and ugg boots have been used as generic terms for sheepskin boots in Australia.

Ugg boots are unisex sheepskin boots, made of twin-faced sheepskin with fleece on the inside and with a tanned outer surface, often with a synthetic sole. Uggs are believed to have been first developed in New Zealand or Australia, although the exact date is uncertain. There has been a dispute between manufacturers of ugg boots, as to whether "ugg" is a generic term and thus ineligible for trademark protection, especially in the region of origin. Deckers Outdoor Corporation holds the UGG trademark in more than 100 countries worldwide. Notable exceptions are Australia and New Zealand where the term is considered generic.

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