Medium, Molded PVC Steel Toe Overshoe, Men's Size Athletic/Dress Shoe 8-9-10, Women's Size 10-11 Work/Hiker Shoe Size, Men's Size 7-8-9 Women's Size 9-10-11, Black Upper, Yellow Cleated Outsole, Molded In Oversized Toe Cap Accommodates Most Shoe Styles Exceeds Ansi Safety Spec Z41 PT99 MI/75 C/75, Injection Molded 100% Waterproof Protection, Easily Slips On Over The Bulkiest Work Shoes, Pull On Tab Heel Kicker For Easy On/Off, No Hardware To Conduct, Tear Or Snag, Which Helps Prevent Slips Falls, Injection Molded For More Material In High Wear Point Areas Less Material In The Upper To Reduce Weight, Special Frigiflex PVC Compound Provides Long Wear, Flexibility In Cold Temperatures, Shoelocks Molded Into The Vamp Above The Heel Counter Help Insure A Proper Fit For A Variety Of Footwear Styles.