We have devided our touring and seakayaks into 3 categories, in order to make the selection process easier.
Kayaks for beginners and occasional paddlers
Allround touring boat for rivers and lakes
Fast single kayaks for lakes, coast and the sea
The division is mainly made according to boat shape and purpose.
Regarding boat shape you can simplify:
long + slim = wobbly + fast
short + wide = stable + slow
Further distinctions can be made regarding the equipment of the kayak. If you are looking for a kayak for tours with luggage, then all-round touring boats or fast single kayaks are better suited, as they have certain standards of equipment, like water-tight storage and perfectly adjustable seating position.
In der Infothek finden Sie Vergleichsdaten zu den Abmessungen, zur Eignung und zur Ausstattung der Touren- und Seekajaks.
But a basic rule is: Test first, then buy!