[VFB] Wader Boots sizing

[DonO]

Hiy'all,   Just in for a minit- headed back to the atv park with some friends visiting from Texas.   Question:   My old wading boots don't fit my feet now with the neoprene booties on my new waders.  I wear a 10.5/11 shoe size, and a friend let me borrow his Size 12 Cabela's master guide boots.  Problem is, these size 12 fit my sock feet, without the booties.  With the booties, I can't even get my foot in them.    I called Cabela's, and they said to order my normal shoe size, but I doubt that will work.  I'm leaning on trying the size 13, since that's all they have over the size 12 in the velcro straps.   1.  What gives with the sizing?  Does it take 2 shoe sizes over for neoprene booties? 2.  Any drawbacks to velcro straps?  They'll be easier on my back to cinch up.  Do they stay together well?  Do they function well in real cold water, like, with ice in it?   Any advice/experiences would be appreciated.    DonO