These women's Carhartt Insulated Bib Overalls drop from $139.99 to $104.99 in all three colors at Carhartt. This style almost never goes on sale. Shipping is free when you login to your Carhartt account. Other stores sell them for full price. These loose-fit overalls are the warmest ones Carhartt sells. They feature a nylon lining and come in short, regular, and tall lengths.