Altitude Tent Altitude only up to 10,000 - 12,000 ft Used during sleep, 8-12 hrs per day Claustrophobic, humid, noisy, uncomfortable Not portable, heavy, Expensive, $7000 -10,000 each Inconvenient, must devote a room, requires electrical power Must use for 30 days to see results

AltoLab Altitude from 2500 - 30,000 ft Used while awake, less than 1 hr Easy to use Portable, less than 2 lbs Inexpensive, under $800 Convenient, carry anywhere, no electrical power required Use for 15 days to see results, then 5 days ON and 15 days OFF throughout season

VS.

VS.

Changes in Blood O2 and Pulse Rate at 1 hr with AltoLab at 20,000 ft

Changes in Blood O2 and Pulse Rate at 1 hr in an Altitude Tent at 10,000 ft

VS.

Altitude Tent

AltoLab

VS.