Waist aprons tie around the waist like a skirt. They extend from the waist to either the upper thigh or just past the knees. They are worn by servers and waitering staff who interact with customers.
Utility aprons are standard wear for kitchen staff and chefs. They cover the area from the chest to either the upper thigh or just below the knee. Usually secured with a strap around the neck and ties that can be knotted around the waist. This type of apron usually comes with heavy duty pockets and is made of a heavier fabric to serve as protection.