That should change now.
As I have read in other reviews of the tubes, which are needed for the Boot Camp, I looked at the course immediately ordered.
In Yellow - because that should be the middle.
I was thinking for a start are sufficient.
Unfortunately I was wrong.
On the one hand my tubes are a bit long (I - 176cm) too weak to another. In addition, I find the foot straps too small.
I'm only since 2 weeks Exercising, but already started with light dumbbells. I Perhaps the resistance appears here therefore too low. (Because the tubes on my stepper are more resistant.)
Conclusion: There are better Tubes on the market. I'll keep this, however, shorten (as Billy has advised it on the DVD) and see how long the life is. In addition, I'm going to 500 gr. Weights on the arms make to work more effectively and to increase the resistance ...