Czas użytkowania :
If the footwear is supplied with a part of, or the whole sole unit made of polyurethane:We advise that the footwear should be used in the limit of 3 years following the manufacturing date, which figures on the footwear. After this time limit, certain factors such as : exposure to sunlight, hydrometry, temperature changes, could cause a modification in the structure of the material, which would no longer maintain the same performance levels with regards to the requirements defined in the European Directive 89.686 CEE. If the footwear is supplied with a sole unit made from a material other than polyurethane:We advise that the footwear should be used in the limit of 5 years following the manufacturing date, which figures on the footwear.
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