The Zipfit Grand Prix is a high performance, fully customizable ski boot liner.  For those difficult to fit, or in need of top notch performance look no further than the revolutionary Zipfit.  The Zipfit Grand Prix is made with a neoprene inner lining, and hydrophobic leather outer that secures itself to the boot shell eliminating dreaded heel lift.  The truly amzing part of the Zipfit system is inside the liner.  When activated the OneMinuteFit molding composite custom molds to you ankle, heel, and instep.  With its one of a kind design the Zipfit Grand Prix liner can help you elevate your game skiing better, and with more comfort all day.