It's a subject which never fails to set supporters' tongues wagging.

What do you make of the new kit - and how does it compare with past versions?

Carlisle United launched their latest Errea strips last week.

READ MORE: Paul Simpson issues challenge to returning Carlisle United players

So we've taken a trip down memory lane and taken a look at the Blues' home kits since the turn of the millennium.

Which one's your favourite? And are there any you'd sooner forget? Take a look through our gallery at the top of this article and let us know your thoughts...