The Mephisto Issa GT is a warm zip-up boot for your outdoor adventures. The integrated GORE-TEX membrane provides optimal moisture protection. Stretch upper with a round toe and block heel with Gowing technology for superior cushioning. Soft textile lining and cushioned leather-covered Air-Jet cushioned insole for breathability. Durable synthetic outsole. Made in France. Measurements: Heel Height: 1 3 10 in Weight: 13 oz Shaft: 15 in Product measurements were taken using size 37 (US Womens 7), width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.