In reply to Andy Johnson:
My very first Salomons were a mid ankle job bought from TK Maxx for £20 over 10 years ago. They've been worn to bits and the uppers are shot but the soles, of course worn down, are still going so a great buy for longevity but I quickly realised they're best in deserts or the high street - very slippery.
My latest are a pair of "Trailster" shoes which are excellent for UK approaches - grass, rock, gravel etc. but the soles are wearing out fast.
Hence your question intrigued me and I had a quick look - see link below - and found there are currently 6 different soles that bear the trademark "Contagrip" (note no 'r') so heaven knows how many variants there've been over the years to cause us confusion over their uses.
https://www.salomon.com/en-nl/stories-guides/trail-running/advice-what-cont...