For time Workout

80 DB box step-ups (51/61 cm) (15/22.5 kg)
– Every minute on the minute, starting at :00, perform 20 double-unders.
– Use two dumbbells.

Scaled WOD
For time:

60 DB box step-ups
– Every minute on the minute, starting at :00, perform 20 single-unders.
– Use two dumbbells.