FYI. Since the RV-10 uses the same wheel size as the Skybolt, I decided to use these pants. They are HUGE, the length is OK, but the width is well over the top. Definitely fat pants. They may look OK in proportion on the RV-10, but not on the bolt. Luckily, I knew a local RV-10 builder who just bought them off me.
I like the idea of the pressure recovery shape. My research lead me to a guy who makes a slim version of the RV-10 pants. Priced well, too: