Everlast Training Mask

Everlast Elevation Training Mask presents an innovative, cutting-edge training tool for every enthusiastic sportsman. The mask perfectly simulates the coveted athletes training in the thinner air at higher altitudes and increased breathing resistance helps increase lung capacity and increase the anaerobic threshold. In addition, non-violent form will also strengthen the diaphragm and abdominal muscles shape.
Equipment, you see three bits with different number of holes. So you can simply regulate higher or lower air intake. Mask wearing constrain using Velcro tape. This mask offers a highly effective way to improve your fitness.
Specifications:
Effects:
increased lung capacity
increase anaerobic threshold
strengthening membranes
shaping the abdominal muscles
Material:
Plastic
package contents:
mask
Velcro strap
Three pieces