Look again, a budget spec sole, with Eccos brand name on it.
For that kind of money, i would expect a Vibram, or similar high quality outsole.
Ive bought Ecco shoes before, and they are very high quality, and beautifully made, but unless you get them on the sale, their not cheap.
When your spending £600- to £1000 on a pair of boots, i would want a pair that were cutom made, and made for my exact foot size and shape.
A nice pair of Scarpa, Zamberland, or any other the leading manufacturers boots, at the top end should cost no more than £250-60, so £600+ would be for a pair of them.