Recommended Sleeping Bags for Everest Base Camp

Sleeping bags mentioned in this video: Hispar 500 K Down Sleeping Bag: https://www.phdesigns.co.uk/hispar-50... Hispar 600 K Down Sleeping Bag: https://www.phdesigns.co.uk/hispar-60... Hispar 400 K Down Sleeping Bag: https://www.phdesigns.co.uk/hispar-40... Greenlandic 500 Down Sleeping Bag: https://www.phdesigns.co.uk/greenland... Greenlandic 600 Down Sleeping Bag: https://www.phdesigns.co.uk/greenland... More gear recommendations for Everest Base Camp: https://www.phdesigns.co.uk/gearadvis... Everest Base Camp Sleep System: https://www.phdesigns.co.uk/sleep-sys...