Femininity and function join forces in the Hillary mary jane. Stitching on the adjustable hook-and-loop strap, an overlay at the toe and a handcrafted hardware accent add to its graceful lines. And with style comes the support you need when you’re working on your feet all day: A slip-resistant rubber outsole is designed for traction; a padded heel collar offers comfort; a removable Ortholite footbed provides plenty of cushioning; and durable, stain-resistant man-made uppers ensure food, liquids, oils or virtually anything won’t ruin this shoe’s good looks.2" Heel HeightAdjustable hook and loop closure allows for personalized comfort and fitDri-Lex® Lining offers superior "sweat" control and will keep feet dry and comfortable in wet or damp conditionsNylon stability shank embedded into midsole supports the arch and helps create a smoother gaitOrtholite® insole wicks moisture for cool, dry comfortRemovable Ortholite® footbedSATRA TM144 rated in Dry, Wet, Oil, Oil/Wet ConditionsSlip resistant outsole properties are tested under ASTM F 2913-11, which meets or exceeds a result of 0.7 for dry and wet conditions, and 0.5 for oily/wet and soapy conditionsSynthetic PU upper provides a soft touch yet is durableThe industry uses standards test like the ASTM F2913-11, Mark II to measure the effectiveness of footwear in wet, oily, dirty conditions or some combination thereof. This tests measures the amount of friction between a shoe material with the surface under it when pressure is applied. ASTM F2913-11, Mark ll uses a scale of 0 (being not slip resistant) to 1 (being extremely slip resistant) to measure the coefficient of friction found by dividing the horizontal force by the vertical force.