Replying to Soooo I have a BIG boot problem! Please help me.

So today I got my first day of riding the mountain in. It was all good except for one thing, MY SHINS.

Heres the deal:

I have really thin legs and feet so about 2 weeks ago, I went to a well known shop and got a new pair of boots. They were fitted and it took quite some time so the problem is not fitting. I got a pair of Dalbello Krypton Rampage's and payed a lot for them. Today I go up, and they are no better for my shins than my $50 racing boots from last season. I made sure to do them up snug, but not over tight. There were no jumps, so no backseat landings, just rails. So that's not the problem. I get this odd pain in my shins whenever I  wear ski boots. It's about halfway between the top of my boot tongue and where my foot starts. By the end of the day, it's almost unbearable to ski. So what's wrong with me? What can I do about this. It's slowing down my progression as well because I can't go all out.