Is there a recommended size for the following...
Is there a recommended size for the following body size/type: 6'-2", 34-in waist, 175lb with relatively thin quads at the hem/gripper location that often makes these non-silcon type grippers slide up my quad, resulting in a shorten amount of bibs covering the legs
You can look on the Castelli site for more detailed size charts/info.
And of course, you can contact them for even more advice.
www.castelli.com (page title reads: castelli, an unfair advantage).
I would try size Large. Of course you can always grab a Large and X-Large and return the size that doesn't fit.