Aramid
Why all Kevlar?
Kevlar is sensitive to UV light, as far as I know.
Not good if your're not sitting on your saddle all day.
The Tune Concorde for MTB has lots of ugly Kevlar fibre.
I sent mine back. Can't use a yellow saddle:
https://www.leichtbau-konfigurator.de/files/pics/eb_story/tune_nachlese_2.jpg
(61g by the way)
Why all Kevlar?
Kevlar is sensitive to UV light, as far as I know.
Not good if your're not sitting on your saddle all day.
The Tune Concorde for MTB has lots of ugly Kevlar fibre.
I sent mine back. Can't use a yellow saddle:
https://www.leichtbau-konfigurator.de/files/pics/eb_story/tune_nachlese_2.jpg
(61g by the way)