Yellow Xertube® is for beginner men and women. At 1-1/2 times its length, the weight equivalence of this tube is approximately 3 pounds
Green Xertube® is for beginner women and moderately fit men. At 1-1/2 times its length, the weight equivalence of this tube is approximately 6 pounds.
Red Xertube® is for moderately fit women or fit men. At 1-1/2 times its length, the weight equivalence of this tube is approximately 10 pounds.
Blue Xertube is for very fit women or fit men. At 1-1/2 times its length, the weight equivalence of this tube is approximately 15 pounds.
Purple Xertube® is for extremely fit men and women. At 1-1/2 times its length, the weight equivalence of this tube is approximately 20 pounds.
- One Free 8.5 x 11 Instruction Chart Per Order.
- For carpeted or rough surfaces, we recommend the original Step Tube with the protective rubber sleeve.
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