US Patent 11839253 Article of apparel including fabric having auxetic structure

An article of apparel includes at least one fabric panel including a first yarn having a first denier and a second yarn having a second denier. The first yarn forms an auxetic structure on the fabric panel comprising a pattern of interconnected segments defining cells, each cell having an interior area. The second yarn forms a fill portion extending between the interconnected segments of the auxetic structure and substantially fills the interior area of each cell.