So you will need multi-layer clothing for climbing Mount Everest as the temperature changes dramatically.
The Himalayan ranger is much colder than you think. So you will need multi-layer clothing for climbing Mount Everest as the temperature changes dramatically. Carry a light-weight down jacket all the time, wear water-resistant gloves, and good pairs of down mittens higher up. Wear a heavy down suit from camp 2 to the summit. Down Suits from both North face and Mountain hardware, hood with oxygen masks covering your face, and plenty of socks are essentials.