Le Kitfox de Ron Seyffer 
Seyffer's Kitfox - with Datum retractable skis

 
Seyffer's Kitfox - resting wheels down on our retractable skis

 
Seyffer's Kitfox - resting wheels up on Datum wheel skis
 
Seyffer's Kitfox - Datum skis let you fly anywhere.
 
 
Seyffer's Kitfox - climbing out over the snow
 
Seyffer's Kitfox - just took off from snow