Add contrast stitching to the stirrup or a featheredge to the stripes, design your own striping pattern, adjust the length...almost any possibility is available.
Stirrup - Custom Styles
Northwestern Stripe 3 Color
Northwestern Stripe 3 Color
 
Ribbon w/contrast Stitching on Stirrup
Ribbon w/contrast Stitching on Stirrup
 
Solid w/contrast Stitching on Stirrup
Solid w/contrast Stitching on Stirrup
 
Three Stripes with Featheredge
Three Stripes with Featheredge