David Goettler On Summiting Everest Without Bottled Oxygen
Uphill Athlete Podcast
00:00
The Swedish Air Trim, Yes.
Swedish air trim is used by cross country ski racers to keep them from burning their lungs. It crates this nice hollow space in front of your mouse and nose, which makes the air a little bit more humid. And you can change these filters for different kind of resistance. For me, it's absolutely, i would never go without one of these masks.
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