Here’s a picture of me wearing the “Wallace and Gromit” shorts ready to get on the treadmill. There is a long zip around the top that zips me into the air chamber making a completely air tight seal.
A short video showing what I look like after 25 minutes of HIIT training (4 minutes walking at 2.17mph / 3.5 kph) and then brisk walking (3.41mph / 5.5kph)
You can see that I get my heart rate moving – these are details of my heart rate during the session! All of this in less than an hour!