Ugg Australia Chrystie in Nabo chestnut brown grain leather with Ugg Australia's fabulous sheerling along the shaft at Robert Frost Fine Footwear Ugg Australia Chrystie is a women's riding style boot with fashionable touch that only UGG can produce. Hidden inside zip shaft for ease in and out. Ugg Chrystie stands on a 1" stacked leather heel with a slip resistant rubber sole for cushion and support from the elements. UGG Australia Chrystie is leather lined inside the shaft with sheerling footbed. Ugg Australia Chrystie is a fashionable boot with Ugg flare at Robert Frost