Below is a brief description of the gear that
worked for us, but please remember that there are plenty of
alternatives.
All
your gear needs to be tested in snow and cold before you arrive at
Everest. Walk in your boots, sleep in your tent and try handling gear
with the gloves on.
Stuff will be provided for you if you are joining a commercial
expedition. Check carefully what they will bring. Also check if it is
for your personal use only or to be shared with other climbers. Get it
in writing.