Crocs Women's AllCast II Luxe Snow Boot 100% Textile and Synthetic Imported Faux fur Synthetic sole Shaft measures approximately 6" from arch Platform measures approximately 0.5 Waterproof performance with a luxury feel. Genuine suede uppers with waterproof treatment; synthetic nubuck trim Genuine shearling around collar; soft synthetic shearling in boot. Circumference: 13.8 inches Sealed seams and gusseted construction keeps weather out. Weatherproof TPR shell. Dual Crocs Comfort.