Keep soles toasty warm and in lasting style this cold-weather season, in The North Face ThermoBall Button Up boot. Durable, water-resistant, moisture-shedding, 100 percent recycled P.E.T. ripstop upper. PrimaLoft ThermoBall insulation provides the lightweight warmth of down with the exceptional wet-weather insulation of synthetics. Oso-fleece-lined collar with bungee and button closures at medial side. Abrasion-resistant synthetic mudguard. Cushioned OrthoLite footbed provides the ultimate in comfort and underfoot support. Abrasion-resistant, injection-molded EVA midsole supplies all-day cushioned comfort. IcePick temperature-sensitive rubber outsole pods deliver increased traction. Imported. Measurements: Weight: 10 oz Circumference: 14 in Shaft: 9 1 2 in Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.