Polar expedition kit list & report from a winter training expedition in Hardangervidda, Norway

Equipment report on down and Primaloft sleeping bags, jackets, trousers, mitts, and socks used for a winter (January) polar training expedition in the Hardangervidda region of Norway.
Kit mentioned in this video:
Diamir 900 K Down Sleeping Bag:
www.phdesigns....
Denali Down Jacket:
www.phdesigns....
Denali Down Trousers:
www.phdesigns....
Kappa Primaloft Mitts:
www.phdesigns....
Polar Mitts:
www.phdesigns....
Minimus Down Jacket:
www.phdesigns....
Omega Down Socks:
www.phdesigns....
Further gear advice for North Pole: www.phdesigns....
Further gear advice for South Pole:
www.phdesigns....