Training Mask the Head Bivy is the

the Head Bivy is the perfect option

500ft / 3800m to 21

000ft / 6400m

our fingertip pulse oximeter is an easy and accurate way to measure your pulse and the oxygen saturation levels

This mini muffler is included with each and every Sierra 100 rental or purchase

Training Mask the Head Bivy is theExercise at Altitude or perform IHE with our high quality Altitude Training Mask. Combined with the Breathing Reservoir and a Hypoxico Generator, the Altitude Training Mask enables users to Exercise at 12,500ft or perform IHE at 21,000ft. The High Altitude Training Mask is of medical grade quality and comes with a neoprene strap and custom carrying case. Tubing is not included.