FISCHER The Curv GT 105 Vac GW Women - Alpine Boots"The lightweight shell of The Curv GT 105 offers optional VACUUM molding for improved performance through a secure, stable fit. The adjustable forward lean of this boot can be dialed in for fast, skilled skiers. . The same lace up, thermoformable IFZ Performance liner found on higher models, with Primaloft insulation, provides a warm, completely customizable fit. Small, individual fit pads can be velcro attached to the liner to adjust fit as needed.