What about one like this? I'd never heard of knight rider but I had a great fly rug off these a few weeks back.
http://www.equestriansalecentre.co.uk/knight-rider-summer-turnout-rug-165-p.asp
Hi all, just bought a fly rug for my 16.2 ex racer as the flies are a nightmare on our yard if its wet & warm.
Just thought i'd share it if anyones interested as it only cost £30 but came with a free fly mask, can't see a makers name on it but i've had it a couple of weeks now and it's ace...