A RAINCOAT is an 8-letter waterproof garment that is designed to protect the wearer from rain. An OILSKIN is a 7-letter waterproof garment made of cloth that has been treated with oil or wax to make it waterproof. A PONCHO is a 6-letter waterproof garment that is typically made of a single piece of fabric and is worn over the head and shoulders. A MAC is a 3-letter waterproof garment that is usually made of rubberized fabric and is designed to be worn in wet weather. An ANORAK is a 6-letter waterproof garment that is typically hooded and is designed to protect the wearer from cold weather. A SLICKER is a 7-letter waterproof garment that is usually made of rubberized fabric and is designed to be worn in wet weather. A WADER is a 5-letter waterproof garment that is designed to be worn while fishing or wading in shallow water.