Polar AXN 700 Altimeter/Heart Rate Monitor

"This powerful tool will give you the edge for the toughest competitions. Features a new Heart rate Rest Test that determines how well your body acclimates and recovers in extreme conditions. Altimeter, barometer and compass will keep you on course and prepared for whatever Mother Nature throws your way. Set your baseline and track your progress using OwnIndex; then upload or download your stats to your PC for analysis. "