Those little engineer booties are the cutest on your Frye Kids. ; Booties in a synthetic upper. ; Decorative buckle details. ; Hook-and-loop closure opens wide to fit their feet easily. ; Synthetic lining. ; Flexible synthetic sole features rubber traction pad. ; Imported. Measurements: ; Weight: 3 oz ; Product measurements were taken using size 3 Infant, width M. Please note that measurements may vary by size.