ugg footwear

Ugg boots have also been popular with surfers and competitive swimmers since at least the 1960s, for keeping warm while out of the water. The terms ugg boots, ugg boots and ug boots have been used as generic terms for sheepskin boots in Australia since the 1950s and 1960s,[2] when they first appeared in advertising and other publications. The natural insulative properties of sheepskin give thermostatic properties to the boots: the thick fleecy fibres on the inner part of the boots allow air to circulate and keep the feet at body temperature. This means that Ugg boots can be worn without socks or tights (even in relatively cold weather.