Crocs Comfort Level Guide Top-notch rugged appeal is yours in the Breck Boot by Crocs®. Crosliteâ„¢ upper responds to the body heat and retains it for warmth. Easy pull-on with dual goring and pull tabs. Textile lining. Cushioned foam insole. Durable rubber outsole. Imported. Measurements: Weight: 13 oz Circumference: 11 in Shaft: 5 1â„2 in Product measurements were taken using size 12, width M. Please note that measurements may vary by size.