everything
A pair of trainers is the same as a pair of running shoes or sneakers. "Trainer" is the British expression for running shoe or sneaker.
Salomon trainers are now made in China so that is not an indication that they are fake. If you're worried about buying a fake pair, check out the reputation of the seller. If the shoes are being sold by a reputable retailer, they should be fine.
its a bargain
£110
No, you are better off buying directly from a website such as amazon or eBay that will list prices and plenty of helpful reviews and such to your liking and budget.
I had a pair of these in 1986
It may or may not be possible to get a free pair of Nike trainers. Some people believe you can do a survey and get a free pair of shoes, but others believe this is a hoax. Big companies like Nike usually will not give away a pair of shoes for free.
50p
The disadvantages for buying a cheap pair of Adidas trainers, is that how it is falsely advertise. Most shoes that are advertised on TV or in an ad, claims that the pair of sneakers can gives you a energy boost.
A pair of Saucony Kinavara vizipro trainers are being sold online at retail sites such as Amazon or EBay. You will not be disappointed with these great sites with the best product reviews and items.
Probably not to the people who actually make them, unfortunately.
If you had a really huge pair of red, white and blue trainers with a built-in mobile, you were it.