CROCS Alice Work Slip Resistant Slip-On Mary Janes EUC Worn Once Sz 10 Slip Resistant Shoes for Men: The Crocs On-The-Clock Work Sneaker has a slip-resistant tread and is designed for long days and nights with LiteRide revolutionary, sink-in softness and innovative comfort Easy to clean synthetic Nubuk overlay provides protection from messes. Crocs work sneakers are easy to clean by just using soap and water and allowing for a quick dry. What Size Should I Buy?: These shoes offer a roomy fit and a wider, gender-specific lasts to create the best fit experience. Certified Slip Resistant Shoes: These work shoes are ASTM F2913-11 tested, CE Certified and meet or exceeds EN ISO 20347:2012, OB, SRC Fantastic shoes. I unfortunately bought the wrong size. Only worn once.