Luckers Women's Black Tweed Wool with Pom-Poms Slippers Booties synethic tweed wool Synthetic sole Shaft measures approximately 4.2 from arch Platform measures approximately .25" This tweed wool with pom-poms slippers booties is amazingly cozy for both indoor and outdoor wear. Faux fur lining and cozy comfy fleece insole Shaft measures approximately 4.2" from arch, platform easures approximately 0.25" Npn-slip, durable and flexible outsole support by cushioning memory foam. All man made material