Has anyone tried the elevation mask 2.0? If so, what was good or bad about it. I understand that it will not be as effective as really training in high altitude but thought I would seek some opinions from the LRC.
Has anyone tried the elevation mask 2.0? If so, what was good or bad about it. I understand that it will not be as effective as really training in high altitude but thought I would seek some opinions from the LRC.