Supportive: cushioning elastic polyurethane sole. Higher: 2 inch bottom. Lightweight: less than 1.7 pound each pairs. Ventilate: stretchy mesh upper. Size reference (0.5 or 1 size down if want fitter)= foot length: size 5（8.7 inch）. size 6（9 inch）. size 6.5（9.3 inch）. size 7（9.5 inch）. size 8（9.8 inch）. size 9（10 inch）. size 9.5（10.3 inch）. size 10（10.6 inch）. OUDE slip on work shoes for women designed for someone who needs a comfortable and minimalist shoes,The breathable and soft upper made by knit with fashion stripes,the supportive sole made by elastic polyurethane materials.