You can get a GREAT shoulder workout with lighter weights with this one because of the instability and balance involved. (hardgainermusclebuilding.com)
Those cross body punches are killer, I feel like I should get a set of lighter weights for these workouts. (toneitup.com)
In the spring I usually opt for lighter weight materials so I can layer for chilly mornings and then shed pieces as it gets warmer throughout the day. (livingtaylored.com)