Atomic magna 110 mens ski boots these atomic magna 110 mens ski boots have been crafted with 3m thinsulate insulation which ensures your feet will remain warm whilst the memory fit design ensures you can get a perfect fit tailored to your feet every time you venture out in the mountains whilst the sole flex has a natural bending line these ski boots also feature a power shift function which means forward lean can be quickly adjusted to 13 15 or 17 degrees as well as the flex index by 10