Flex Fletch RAWK!

When I used to shoot vanes exclusively, that is what I used. Tougher than Bohning, but much more flexible without the high speed "flutter". They are pricey (though cheap compared to Quck-Spins), and you need to take more care fletching them, but they will take some serious abuse, and you'll end up saving money in the end compared to the less expensive vanes like AAE/Easton, Durvanes, and Bohning.

I would think they would hold up extremely well through a WB regardless if it's the older model or the B2.