Just looked at the website and it does contradict itself. Boot size large: 26.5 and up Scarpa/Crispi
 26.0 and up Garmont/Scott And then: Boot size small: 26.5 and lower Scarpa/Crispi
 25.5 and lower Garmont/Scott I'm guessing it's a translation issue or a typo. It should read Lower than 26.5 (i.e. ...

I ski in a 27 TX Comp and they require the large binding. Ski partner has a 26 TX Pro, and he is in a small binding. Get the great deal on the small binding if you want to, but it won't work with your size 27 boots.

Nope. Need the large bindings. For Scarpa boots, 26.5 and 27 are the same shell. Need to have a 26 (Scarpa) or smaller for the small binder.