And then there are also modern semi dry suits that don't require 14mm of neoprene that limits your mobility. The farmer john was great when it came out. Neoprene was stiff and it was the only way to get into a 7mm. These days, materials have come a long way. If you are buying a new suit, don't even look at a farmer john style.There's 7mm suits, and 7mm farmer johns. Difference is a single layer all over vice a double layer over mid-thigh and torso. 1 hour dives in Lake Superior I accepted that my fore-arms and lower legs would essentially go numb, something I learned to accept riding snowmobile. Manual dexterity and helicopter turns become wistful memories, but at least the core stays warm. I've since bit the bullet and gone dry.