Best I have had by far are some from Decathlon.
http://www.decathlon.fr/clipper-cr500-h-bleu-id_8122638.html
Comfy as slippers, super "sticky" on wet or dry decks & dry quickly & good price.
I bought a pair last year and they were so good I bought a second pair this year. First pair after a full season are showing slight signs of wear in the sole but to be fair, I just wear them all the time - on the boat, going shopping etc. That's how comfy they are. I was interested to see that most the staff at our marina are also wearing them now.
Not sure if they are available at Decathlon in UK but they are available by mail order from Decathlon France.
Tribord Bleu Jeans, still going strong after quite a few years, but beginning to look a bit sad now and the soles are beginning to harden. Greatvalue though, only €50!
http://www.decathlon.fr/clipper-homme-bleu-jeans-id_8327665.html