These Skechers Work Suretrack Ladies Shoes have been constructed with a slip-resistant outsole to help keep you safely on your feet, whilst the memory foam insole delivers exceptional cushioning and the Flex Sole technology allows you to move with complete freedom. > Ladies Shoes > Slip-on design > Memory Foam insole > Slip-resistant outsole > Relaxed Fit > Flex Sole > Upper: Leather, Lining: Textile, Sole: Synthetic. Smooth solid leather upper Slip on casual slip resistant work shoe design Protective leather toe and heel overlays Sole tested ASTM F1677-96 Mark II to meet or exceed a .5 coefficient even on wet and oily surfaces Electrical hazard safe design EH Safe tested ASTM F2412-05 standards Supportive shock absorbing FlexSole midsole Removable memory foam cushioned insole for extreme comfort Soft fabric collar trim Stretch top panel and Heel Pull-on Loop.