Birkenstock Shinjuku 2S is a two-strap sandal in concrete gray natural leather, built for everyday urban comfort with the brand’s anatomical footbed. Product image is indicative. Key attributes: Gray | Concrete gray | Natural leather | Original Birkenstock footbed | PU foam outsole | Two adjustable straps with buckles | Slip-on construction | Two-strap design | Color-coordinated details | Composition & care: Upper: Natural leather and textile | Footbed: Cork-latex anatomical footbed | Outsole: PU foam | Wipe clean with a damp cloth; treat natural leather with a suitable leather cleaner or conditioner; avoid machine washing.