You can't go wrong with a Henderson wetsuit. However, diving one year round isn't feasable in my opinion. Yes, you can dive it in the winter, but you will be freezing your but off and I gaurantee your winter dives will be much shorter, almost not worth while beacause you won't be thinking about anything but how cold you are. Anyone who tells you different is full of crap. I have a Henderson Thermoprene 8/7mm Semi-Dry. I like it better than the Aqualock because it's front zip and the hood is attached. I use it June - October on Capeann then switch to dry November - May. I find it very comfortable for 2, 1 hour dives in water temperatures down to 45.