The listing, training mask brand new has ended.
There are various "Resistance Breathing" elevations with Training Mask 2.0 "Breathing Resistances" are simulated resistances that are "maching" how hard it would actually be to breath in (3,000 | 6,000ft | 9,000ft | 12,000 | 15,000ft | 18,000 Ft. in "ALTITUDE RESISTANCES". Training Mask 2.0 does not "change on the o2 molecular level" however your body does make adaptations for this "Simulation" to be considered "Altitude Training
Elevation Training Mask 2.0 helps increase your performance in various sports
Running
Mixed Martial Arts
Yoga
Soccer
Basketball
Swimming
Football
Hockey
Anyone looking to increase lung capacity resulting in better cardio and conditioning
training mask comes with
(6 Air Resistance Caps)
(3 Base pieces with flux valve plungers)
(1 Silicone Training Mask)
(1 Neoprene Sleeve)
Brochures, Fitness Workout booklet / Instructional booklet if u have any questions ill be happy to answer them as quickly ass possible happy bidding an good luck