Zappos.com is proud to offer the Soft Style - Polar (Black Vylon/Patent) - Footwear: Revisit a classic style with the cold weather 'Polar' knee boot from Soft Style. ; Quilted Vylon and patent upper with partial side zip and gored panel to assist with on/off. ; Breathable fleece sock lining adds warmth to keep you comfortable when the temperature dips. ; Flexible polyurethane unit outsole provides lightweight durability and traction on slick surfaces. ; Heel Height: 2 in ; Shaft: 11 in ; Circumference: 16 1 2 in ; Weight: 1 lb 5 oz ; Product measurements were taken using size 6.5. Please note that measurements may vary by size.