Presentations need to be more delicate not to spook fish. Leaders will be longer and lighter breaking strength. Winter time fly fishing is growing in popularity recently with the spey fishing technique. During the winter tackle becomes more important because you need hit the fish in the head to get them to bite. So you must get the big and bright fly down to the bottom zone and keep it there as long as possible.
Nothing is more exciting than having a fly taken from the surface film.
Dry Fly fishing and Wake fly fishing allow this to become a reality when fly fishing.