From Ryka, the Women's Ultimate X Mesh Lightweight Lace Up Sneakers feature: Breathable mesh upper with faux leather and synthetic overlays Padded collar, heel, and tongue Lace up for a secure fit Fabric lining Anti-odor anatomical insole for arch and heel support; 25% recycled EVA ACTIVfoam™ EVA midsole for soft cushioning plus RE-ZORB® LITE in the heel SGS Midfoot support fine-molded gel shank for stability on lateral side Durable molded rubber outsole Approx. 1" heel height WEIGHT: 218g/7.8oz per shoe HEEL-TO-TOE DROP: 10mm Imported.