Unit: Waterproof and ready for all conditions. | Details: 200-gram insulation for lightweight warmth. Rugged synthetic nubuck uppers. Toasty faux-shearling liners around the collars. Sealed seams and gusseted construction keep weather out. Weatherproof TPR shell. Dual Crocs Comfort™: Blissfully supportive. Soft. Cradling comfort. Measurements based on men’s size 9 (measurements will vary by size): Circumference: 16.9 inches / 43cm. Boot Shaft Length: 6.3 inches / 16cm. | Care: For Classic Clogs, slides, and other styles made only with our signature Croslite™ foam material, hand wash or spot clean with mild soap and cold water. Avoid extreme heat | Warranty: Guaranteed against faulty workmanship or defective materials for 6 months from date of purchase. Does not cover normal wear and tear and negligence or misuse of the product. Please note care instructions.