{
  "slug": "american-trench-natural-dyed-carl-yak-shirt",
  "name": "Natural-Dyed Carl Yak Shirt",
  "brand": "American Trench",
  "category": "shirts",
  "tier": "cannot-tell",
  "rank": null,
  "page": "https://amaterio.com/plastic-free/shirts/american-trench-natural-dyed-carl-yak-shirt/",
  "url": null,
  "affiliateUrl": null,
  "price": {
    "amount": 350,
    "currency": "USD",
    "seenAt": "2026-11-11"
  },
  "madeIn": "USA, from imported cloth",
  "inTheBox": "",
  "unknowns": [
    "buttons",
    "sewing thread",
    "collar and cuff interfacing",
    "dye and mordant",
    "labels and tags"
  ],
  "verdict": {
    "summary": "The cloth is 90% cotton and 10% yak wool, dyed by hand with plants in Pennsylvania, and that part reads clean. The buttons are corozo, a nut, by the maker's word. The thread is the gap: American Trench never says what it is, and most shirt thread is polyester. Until the maker names it, the shirt stays off the list.",
    "date": "2026-11-11",
    "passes": [
      "pass-1",
      "pass-2"
    ],
    "agree": true,
    "caveat": "Unknown: the sewing thread, the collar and cuff interfacing, the mordant used in the dye bath, the labels and tags, and the packaging. The maker names the buttons as corozo but gives no further detail, and nothing here confirms they are plain nut."
  },
  "components": [
    {
      "name": "shell fabric",
      "role": "major",
      "material": "90% cotton, 10% yak wool",
      "class": "not-plastic",
      "ruling": null,
      "source": {
        "url": "https://americantrench.com/products/natural-dyed-carl-yak-shirt",
        "quote": "90% Cotton, 10% Yak Wool. Milled in Japan.",
        "translation": "",
        "retrieved": "2026-11-11",
        "archive": "https://web.archive.org/web/20261111213319/https://americantrench.com/products/natural-dyed-carl-yak-shirt"
      }
    },
    {
      "name": "buttons",
      "role": "major",
      "material": "Italian fisheye Corozo, as the maker names them",
      "class": "unknown",
      "ruling": null,
      "source": {
        "url": "https://americantrench.com/products/natural-dyed-carl-yak-shirt",
        "quote": "The Italian fisheye Corozo buttons are an attractive addition, which took to the natural dye well.",
        "translation": "",
        "retrieved": "2026-11-11",
        "archive": "https://web.archive.org/web/20261111213319/https://americantrench.com/products/natural-dyed-carl-yak-shirt"
      }
    },
    {
      "name": "sewing thread",
      "role": "major",
      "material": "",
      "class": "unknown",
      "ruling": null,
      "source": null
    },
    {
      "name": "collar and cuff interfacing",
      "role": "minor",
      "material": "",
      "class": "unknown",
      "ruling": null,
      "source": null
    },
    {
      "name": "dye and mordant",
      "role": "minor",
      "material": "plant-based dye; mordant not named",
      "class": "unknown",
      "ruling": null,
      "source": {
        "url": "https://americantrench.com/products/natural-dyed-carl-yak-shirt",
        "quote": "Using only vats of rain water and plant-based, organic material, each piece is hand-dyed with care and attention.",
        "translation": "",
        "retrieved": "2026-11-11",
        "archive": "https://web.archive.org/web/20261111213319/https://americantrench.com/products/natural-dyed-carl-yak-shirt"
      }
    },
    {
      "name": "labels and tags",
      "role": "minor",
      "material": "not stated",
      "class": "unknown",
      "ruling": null,
      "source": null
    }
  ],
  "packaging": {
    "verified": false,
    "materials": [],
    "class": "unknown",
    "source": null
  },
  "commentary": [],
  "images": [
    {
      "src": "/products/american-trench-natural-dyed-carl-yak-shirt/1.webp",
      "alt": "American Trench Natural-Dyed Carl Yak Shirt",
      "credit": "Photo: American Trench (americantrench.com)",
      "source": "http://americantrench.com/cdn/shop/files/14-CaptureOneCatalog00751_webhi_1024x1024.jpg?v=1793392254"
    },
    {
      "src": "/products/american-trench-natural-dyed-carl-yak-shirt/2.webp",
      "alt": "American Trench Natural-Dyed Carl Yak Shirt",
      "credit": "Photo: American Trench (americantrench.com)",
      "source": "https://americantrench.com/cdn/shop/files/14-CaptureOneCatalog00751_webhi_1024x1024.jpg?v=1793392254"
    },
    {
      "src": "/products/american-trench-natural-dyed-carl-yak-shirt/3.webp",
      "alt": "American Trench Natural-Dyed Carl Yak Shirt",
      "credit": "Photo: American Trench (americantrench.com)",
      "source": "https://cdn.shopify.com/s/files/1/0805/5507/files/14-CaptureOneCatalog00751_webhi.jpg?v=1793392254"
    }
  ]
}