Waterproof boots are a type of footwear designed to keep the feet dry in wet conditions. WADERS, which are 6 letters long, are a type of waterproof boot that extends up to the chest and are typically used for fishing or other activities in shallow water. Wellingtons, which are 11 letters long, are a type of waterproof boot that extends up to the knee and are often used for outdoor activities such as gardening or walking in wet conditions. Pacs, which are 4 letters long, are a type of waterproof boot that is lightweight and low-cut, making them suitable for everyday wear.