This pair of knee boots from Onguard has been designed to provide maximum comfort, while protecting your feet from hazards. These PVC boots have been engineered for durability and comfort and includes a ultragrip sipe sole pattern with a steel-toe. They come in a green color, are size 13 and 16\ tall. The polyester insulation increases durability and improves performance. They are waterproof and can resist hazardous chemicals. Standards include: NFPA 1991 for Hazardous Materials Emergencies 2005 Ed.