{
  "params": {
    "colour": {
      "type": "choice",
      "options": [
        "tan",
        "olive",
        "rust",
        "navy",
        "grey"
      ],
      "default": "tan",
      "label": "Colour",
      "describe": "Canvas colour: tan, olive (military surplus), rust (red-brown), navy or grey. Straps stay brown leather."
    },
    "size": {
      "type": "choice",
      "options": [
        "daypack",
        "standard",
        "expedition"
      ],
      "default": "standard",
      "label": "Size",
      "describe": "daypack (about 47 cm tall), standard (60 cm) or expedition (75 cm, big travel pack)."
    },
    "bedroll": {
      "type": "toggle",
      "default": true,
      "label": "Bedroll",
      "describe": "A rolled wool blanket strapped across the top of the pack."
    },
    "gear": {
      "type": "toggle",
      "default": true,
      "label": "Rope and pan",
      "describe": "A coiled rope hanging on the left side and a frying pan on the right."
    }
  },
  "presets": {
    "trail explorer": {
      "colour": "olive",
      "size": "expedition"
    },
    "city daypack": {
      "colour": "navy",
      "size": "daypack",
      "bedroll": false,
      "gear": false
    },
    "tinker pack": {
      "colour": "rust",
      "bedroll": true,
      "gear": true
    }
  },
  "night": null
}