Feathered Friends calls the Gamma a softshell pant for approach hikes and cooler days. The fabric is Fortius 2.0, 88% nylon / 12% elastane, with a PFAS-free DWR finish.
The page lists $140, with a compare-at price of $200.
Shortlist reason: The Feathered Friends page lists Fortius stretch woven fabric, 88% nylon and 12% elastane.