Icebug Women&#39;s Gemken Walking Shoe,Icebug" /> 100% Leather and nylon Traction can be enhanced with aftermarket Icebug BUGweb carbide studded strap-on device which completely integrates with outsole Extra cushion on heel strike courtesy of Squish unit Layeride Trek midsole includes nonwoven plate for stability and penetration protection Reiforced protective toe cap