From SAS, the Women's Liberty Non-Slip Lace-Up Shoes features: Stay secure on your feet at work with this handcrafted lace-up slip-resistant style for women SAS Waterguard™ Leather is water resistant, breathable, and soft yet durable enough for challenges of most work environments SAS EZ Lace® System: Slides through the rings so easily you have to be careful not to lace it too tight EZ Lace allows for even adjustment across the instep SAS Cool Step™ Foot Bed  is designed to keep the foot dry and comfortable all day long, removeable The anti-friction top cover inhibits heat, providing a cooler surface underfoot The bottom layer wicks away moisture while cushioning each step SAS CoolStep footbeds are antibacterial and washable for a healthy foot environment TRIPAD® Technology: Comfort system that provides shock-absorption and support to the three main pressure points of the foot: inside ball, outside ball and heel SAS X-Tra Grip Sole™ has outperformed industry standards using the Brungraber Mark II testing method for wet and oily conditions The unique hexagon shape rubber outsole pattern helps channel floor spills to maintain effective contact with floor surfaces and is non-marking Our polyurethane midsole is a lightweight and flexible component that provides comfort without compromising support The slip-resistant X-tra Grip Sole is most effective when combined with proper floor maintenance at home and work Approved: This style has met the standards set by Medicare. Please see your doctor for details and qualifications Approx. "1.25" Wedge height Made in the USA.