If i view your collection, I might win a... ipad? Doesn't that utterly cheapen your products?
Giving away a product in a competition makes it seem desirable. That's why 'win an ipod' is such a strong meme, because apple are happy to give away their products as prizes, because they know the sales generated by seeing ipods and pads as desirable items will make up for it.
So to fix fred perry: 'view our collection and you could win some of our clothes (not just 'accessories')' would work wonders. If I'm just coming to your site to try and win someone else's product, something that has nothing to do with your clothes whatsoever (doesn't even fit in the pockets), then I'm going to see your clothes as just not worth anything.