: Just looked at Tom's website, the 16' sonet is only 21" beam. Was
: thinking this was odd as most of Tom's boats are pretty narrow.

Don't forget to figure in the width of the sponsons located on the inside of
the hull... On the Sonnet 14 and 16 they are each 3.5" wide when inflated for
a grand total of 7" of inside space used up.

There are 4 of them ... 2 stacks of 2ea. A 20 inches beam is probably ok, but
unless you are very thin, not much more than that. Check out the attached
Sonnet 10 drawing, especially the lower sponsons.

Tom