These are the flagship model in the MSR Ascent series. They are oriented to mountain travel, either for traversing difficult terrain or for approaching mountaineering and ice routes.
- High-traction aluminum frame and deck combination has been refined from previous versions.
- PosiLock™ AT binding.
- Pivoting crampon to provide 360-degree traction
- Ergo™ televator heel lift add efficiency on the uphills.
- To increase floatation, an optional cam-on tail is available. It adds 12cm of extra length, and is not compatible with pre-2010 Lightning models.