My one-year anniversary on the Rpantahi (155mm version) is coming up, and I bought the Wildside one for another bike a few months ago - I am generally happy with both. As someone who moves around on the saddle a lot, I like the wider base combined with the narrow taper.
In terms of comfort I actually prefer the Ryet Aircode, which is less dense / less firm compared to the first two (I clock in at 83 kg). The honeycomb on my Aircode started disintigrating pretty quickly though, hence the need for a replacement; we'll see how long the new ones last.
Rpantahi (x155 3D) vs. Wildside (x155 3D):
- overall very similar shape
- Rpantahi has uniform padding throughout while Wildside has a firmer base with a softer center and nose
- Rpantahi has a slightly more pronounced swoop/kick at the back
- the nose on the Wildside is marginally narrower than the Rpantahi, as is the cut-out
- just as a price reference, I bought the Rpantahi for around USD70 and the Wildside for USD56