All our expeditions allocate a very generous supply of oxygen. We plan to run an oxygen flow of approximately 3L/min during the day and 1L/min while sleeping. With the advanced technology of our hyper-efficient, state-of-the-art oxygen masks, this is usually more than enough. We give you three bottles, so the long story short is that you don’t need extra oxygen.

However, if you can afford it, we highly recommend it. Consider it cheap insurance. With the extra oxygen, you can run at a higher flow rate, which will keep you warmer, allow you to move faster on summit day, and reduce your fatigue levels, all of which contribute significantly to your safety.

Additionally, if you are delayed on the mountain for any reason (for instance, due to weather or traffic) or misplace your bottle, which can happen periodically, having the extra Os may save your summit bid.

The extra oxygen option includes an additional bottle delivered to the upper mountain (we will discuss the best strategy for using this extra oxygen). With the extra oxygen, you can run high flow (4 – 5L/min) throughout summit day and start oxygen at Camp 2 (vs Camp 3 on the standard allocation)

Please note that extra oxygen is non-refundable and non-transferable