ANTI-STRETCH TREATMENT OF LEATHER FOR ARTICLES OF FOOTWEAR

摘要

An anti-stretch treatment of natural leather or suede materials for articles of footwear is provided. The anti-stretch treatment is used to prevent or reduce the degree or amount of variation in stretch property of an upper or vamp of articles of footwear. The anti-stretch treatment includes a plurality of welds in the material of the upper that provide resistance to stretching along a longitudinal direction, a lateral direction, or both, that assists with preventing or reducing stretching out of the upper of an article of footwear or otherwise losing shape or form.