It's more designer-sportswear. on chavs, it looks chavvy. my bf wears some really nice lacoste tops in gorgeous colours with a pair of nice shorts or jeans and doesn't look chavvy at all. i've got a lacoste dress (like a long tshirt) and dont think it's chavvy. i also just bought a really nice stripey jumper, it's orange and and aqua stripes, it's lovely, and at £120 it had better not be chavvy!
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