MUK LUKS Kids' Patti-Vanilla Pull-On Boot Upper: 100% Polyester; Knit: 100% Acrylic; Lining: 100% Polyester Faux Fur; Foot Lining: 100 Polyester Fleece; Trim: 100% Polyester Web Tape; Sole: Textile Covered Eva Textile/EVA sole Shaft measures approximately 5" from arch Boot opening measures approximately 8" around Fashion boot