What is the difference between the Classic and Expedition Models of the Rollercam Cam Strap

The only difference between the Classic and Expedition Rollercam Straps is the color.  Both the Classic and Expedition Cam Straps utilize a proprietary blend of UV High Tenacity Polypropylene Webbing.  The Classic Rollercam has a blue base with yellow accent for the length lettering, and the Expedition Rollercam has a graphite base with orange accent for the length lettering.