This Dalbello Krypton 110 I.D. Uni Ski Boot is a boot that can help you ski what you want no matter the day. This boot makes sure that your heel is locked in with the dynalink that makes sure your feet can't move no matter the terrain. This boot also comes with a highly conforming liner that you can heat mold to make sure that you are comfortable. Get this boot on your feet this summer and drive your skis like never before. The mix of medium density and super soft ultralon foam ensures an instant fit at the very first step in Durable high durometer polyurethane compound toes & heels for extended boot sole wear The highly resilient polyamide flex ribbed tongue is available in three different kind of flex-stiffness (stiff, medium and soft). All of them stay in permanent contact with the leg and improve the responsiveness and control of the boots behavior Modular rear boot cuff spoiler adapts the boot cuff to a variety of lower leg shapes The Dynalink heel retention is an independently functioning heel / instep closure assembly which minimizes foot sliding FORWARD LEAN control wedges may be inserted at boot rear between lower shell and cuff to change forward inclination angle