Altitude Mask allows you to breathe 100% naturally and can be used during most training and workout programs. Wear the Altitude Mask to challenge your body and take your training to the next level!\
Altitude comes with an additional 4 alternate resistance caps. The Altitude System is composed of
6 Air Resistance Caps
3 Base pieces with flux valve plungers
1 Silicone Training Mask
1 Neoprene Sleeve
Instructional booklet