- AscentShell™ 3L
- 100% nylon 20D ripstop with 100% polyester backer Upper: AscentShell™ 3L
- 100% nylon 70D plain weave with 100% polyester backer
So this jacket is sized rather strangely. It’s arm length is good, but it’s even tighter than the Nano-Air around the gut. It’s an XL, but every other XL I own is far larger. If this wasn’t 75% off, I would return it. I’ll just see if I can lose a few pounds to fit in it better.