The 49ers spent their week of practice in Colorado Springs with the hopes of getting their players acclimated to the more than 7,000 feet of elevation they’ll play in Monday night at Estadio Azetca in Mexico City.
While there’s no tried and true method for bodily acclimation to the thinner air at elevation, head coach Kyle Shanahan said the team is standing by their choice to spend the week preparing at nearly 6,000 feet above sea level in Colorado Springs.
