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Hi Donatas, The best practice will be use canonical tag pointing to one main product.  Whether you want everything to /product or /superbrand/product, so as long as you have the canonical in place, it will avoid the duplicate content issue. I would suggest using a more simple url as the main canonical URL such as /superbrand/product instead of /superbrand/woman/product as keyword effectiveness in URL decreases as it gets longer. Hope this answers your question.