Exercise/Level

Band 

Width 

Resistance 

 Beginner/Youth

Red

1/2" 

Up to 15 lbs. 

 Moderate

Purple 

3/4" 

Up to 20 lbs. 

 Moderate

Blue 

1 1/8" 

Up to 40 lbs. 

 Heavy

Green 

1 3/4" 

Up to 85 lbs. 

 Athletic

Brown 

2 1/2" 

Up to 100 lbs. 

 Strong

Black 

4" 

Up to 200 lbs.