The Tasman always fits tight at first especially if someone has a high instep or high volume foot. It does stretch out over time. If you are in between sizes, please size up or down based on the volume of your foot and height of your instep. Take the UGG Tasman Wool slipper from weekday lounging to a Saturday excursion! Made of wool with an embroidered Tasman trim in a slip-on design. Embossed UGG logo at lateral side. Generous UGGpure wool cushioned lining and footbed offers lasting comfort. Durable nylon binding at midsole. Light and flexible EVA outsole suitable for indoor and outdoor use. When youre searching for Uggs, rest assured that Zappos only carries the genuine UGG brand. Real sheep fur or lamb has been artificially dyed and treated. Fur origin: Australia, European Union or United States. Measurements: Weight: 8 oz Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.