From ara, the Thistle Waterproof Hydro-Microsuede Zip Booties feature: Hydro-microsuede waterproof fabric upper GORE-TEX waterproof membrane Adjustable lace up front Side zipper for easy on/off  Soft Gore-Tex lining HighSoft technology  Padded insole and a special foam insert hidden under the ball of the foot combine to create a comfortable walking experience Highly flexible synthetic outsole Approx. 4.33" shaft height Approx. 1.18" wedge height Imported.