Atomic magna 70 ladies ski boots these atomic magna 70 ladies ski boots have been crafted with 3m thinsulate insulation to ensure you will remain warm on the slopes whilst the heat fitting technology ensures a great memory fit and the four buckles ensure you get a secure fit these ski boots feature a boot liner with a 102mm fit for great comfort and the soft flex which is perfect for less experienced skiers ladies ski boots 3m thinsulate insulation memory fit sole flex sp