I recently completed the "L". I'm about 6'1", 225 and I have plenty of room. One of my 6'5" friends also paddled it and had no complaints.

Wade

: I am about to build my first strip kayak and am interested in the guillemot
: L. I am 6' 3" and 260 lbs with broad shoulders. I will be taking this
: on trips with a decent amount of gear but also using it lightly packed. I
: was thinking of scaling the guillemot up by 8% instead of the 6%. Is this
: a bad Idea?

: -doug