This latest trend guide forecasts a perf-exactly good reason to dial up to high frequency. casual suede shoe with perforated upper is smooth and creamy and mixes well with a chunky leather stacked heel thatâ€™s big on height but soft on feel. (itâ€™s the heel rest technology and sinkable memory foam footbed that keep it that way.) open toe, side cutouts and a high ankle design to extend the trend. zipper entry. 3â€ stacked heel.