@Jenny
I ski in the Roxa R3w 105 T.I. (The T.I. stands for “tech inserts”, not titanium)! It is indeed the grilamid plastic. I LOVE this boot! My feet are narrow at the heel, but wide-ish across the toes in a bony kind of way, ha. Instep is moderately high, too high for the Tecnica Mach1’s I previously had. Formally, I have about a 97 last foot, but the Roxa’s are a narrow 99 and I have done well with them this entire season.
I ski the Roxa in the “soft” setting and have honestly never tried the “stiff” setting. They are definitely softer than my Tecnicas, but laterally stiff. It took a few runs to get used to the springier feel of the cabrio style, but now I am hooked.
These boots are very comfortable for me with just the liner molded...no other work was done. I do wear 5-toe Injinji ski socks to keep my toes spread apart. The instep buckle is great for locking in my narrow heel. The boots are very light, and I swear I can ski a much longer day because of that. I am not currently taking advantage of their tech inserts, but it would be fun to have a touring setup with them.
FWIW, I got them with a regular DIN sole, not the GripWalk sole, because I have 2 pairs of skis with standard bindings. However, I can easily switch to a GripWalk sole if needed.
Glen Plake skis the men’s version....I figure then the women’s version is good enough for me.