In case anybody cares, I emailed customer service at Sierra Snowboard, and they also confirmed that the Roxy Ally has a full wrap edge. I'm assuming their other top-of-the-line boards would too, like the more expensive Envi MTX, Eminence MTX, and Eminence BTX.
14 NeverSummer Prospector Splitboard . 14 NeverSummer Proto HD . 13 NeverSummer Cobra . 13 Gnu Space Case EC2PTX. 11 Nitro Team Gullwing
14 Now Drive . 13 Now IPO . 13 Salomon Hologram
14 Flow Hylite . 13 32 Binary