These will be the boots that you keep next to the back door, ready to go at a moment's notice! So much more than just a yachting boot - the Gill 901's are mid-calf height for easy on/off, feature non-slip, razor-cut soles for superior traction, a quick-drying, polyester lining, removable cushioned inner soles and reinforced heel and toes. Constructed of 100% natural rubber.