Zipp 303 S tire recommendation for gravel?

Equipment
24

second vote for Gravel King SK in 38mm. I’ve run them in central Texas, Virginia and more recently at Highlands Classic in AR. Must have seen 25-30 people on the side of the road in AR with flats. I ran the 38’s with Vittoria Air Liners and Stan’s Race sealant and that handled everything on the course, including varying types of gravel and some sketchy descents