These XX-L Hazmat Boots are made of latex rubber and have textured soles to reduce slipping. Designed to slip over your shoes (13+ Shoe sizes). These completely waterproof boots are made specifically for flood work, hard surface cleaning, chemical application or anywhere wet feet might be a problem. Designed to fit over existing shoes, simply roll on and off. Durable enough to be reused, and affordable enough to be disposable.• Perfect for Flood Work, Chemical Application and Cleaning• XXL Boots Can Fit Over 13+ Shoes Strong and Durable Construction