Why are my ENVE SES wheels rubbing on frame when Zipp 303 didn't? Same tyres
Many rear wheels with high-profile rims lack lateral stiffness. The beefy rim itself may be stiff, but there may be too few, too thin spokes, possibly at too small angles. As a result, when you ride out of saddle the rim and tire may be moving sideways enough to rub the frame or brake pads.

Here's a very good article if you're interested in this in detail: Debunking Wheel Stiffness

Also, you're not alone with this problem with Enve SES wheels: ENVE SES 4.5 with ENVE hub => brake rub