Replying to 2014 Sir francis bacon 178's

Hey everyone, finally some snow is rolling in and the east coast resorts we all love are opening up. I bought the line bacons at the end of last season and new salomon bindings this summer. This last weekend i got to try them out for the first time at Killington, VT. The first day was a little rough. The snow was very icy and granular, making uneven piles of pushed over snow. Not to mention it was my first time on the 178's. I skied 157's before these so the transition was.. interesting. The second day, although very icy, was actually pretty fun because i was able to grip the ice with my fresh edges. It was also very fast.

I noticed the ski is very soft, and thats what i wanted but i'm having a hard time doing tail and nose presses/manuals. Not sure if its because i'm pretty skinny (130 lbs) or just don't have enough muscle built up yet. My boots have a decent amount of extra room so i feel my foot move around a lot when i'm trying to flex the ski. This could be the problem. What do you guys think?