UGG Womens Sierra Sparkles Synthetic Imported Shaft measures approximately 8" from arch Boot opening measures approximately 11" around Dazzle your audience in the Sierra Sparkles boot by UGG&reg;. Abstract Pinecone sequin textile Easy pull-on style. UGGpure&trade; lining and cushioned footbed for all-day comfort and warmth. Molded EVA outsole with glitter flecks and patent-protected tread design. Imported. Measurements: Weight: 13 oz Circumference: 11 in Shaft: 8 in Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.