Ranger 10" Rubber Oversized Men's Dress Overboots, Black (T314) Durable, flexible, industrial weight rubber is hand-laid and vulcanized at high heat for 100% waterproof construction; ozone-resistant to prevent cracks and remain flexible in cold weather Oversized design fits over your expensive work footwear to protect it from work hazards and the elements; net lining for easy slip-on and take off Zipper closure is fully gusseted for easy on/off yet 100% waterproof when sealed to protect from rain, slush and snow Cross Grip outsole prevents slips and falls with added traction Recommended use: construction, carpentry, concrete, garbage collectors, postal workers, farm & equestrian