[
  {
    "id": "ruffwear-crag-reflective",
    "maker": "Ruffwear",
    "exact_model": "Ruffwear Crag Reflective Dog Collar",
    "bands": [
      { "id": "ruffwear-crag-28-36", "size_label": "11–14 in", "neck_min_cm": 28, "neck_max_cm": 36, "published_widths": [{ "basis": "Webbing width", "value_mm": 20 }] },
      { "id": "ruffwear-crag-36-51", "size_label": "14–20 in", "neck_min_cm": 36, "neck_max_cm": 51, "published_widths": [{ "basis": "Webbing width", "value_mm": 25 }] },
      { "id": "ruffwear-crag-51-66", "size_label": "20–26 in", "neck_min_cm": 51, "neck_max_cm": 66, "published_widths": [{ "basis": "Webbing width", "value_mm": 25 }] }
    ],
    "published_materials": "Polyester jacquard webbing; Ruffwear publishes 18% recycled content.",
    "published_hardware": "Anodised 6061-T6 aluminium V-ring, ITW Nexus Airloc side-release buckle, separate ID point, Quick Ring and silicone tag silencer.",
    "published_care": "Hand wash with mild detergent; air dry.",
    "maker_measurement_method": "Measure around the neck.",
    "between_size_rule": "Ruffwear says to choose the larger size when the measurement is between sizes.",
    "source_status": "Current UK product page; every displayed direct colour was marked out of stock when checked.",
    "evidence_limit": "Comfort, reflectivity performance, break strength, durability, escape security or present Amazon stock.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://ruffwear.co.uk/products/crag-reflective-dog-collar",
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/#pick-ruffwear-crag-collar",
    "last_checked": "2026-08-11"
  },
  {
    "id": "ancol-viva-padded",
    "maker": "Ancol",
    "exact_model": "Ancol Viva Padded Collar",
    "bands": [
      { "id": "ancol-viva-size-4", "size_label": "Size 4", "neck_min_cm": 35, "neck_max_cm": 43, "published_widths": [] },
      { "id": "ancol-viva-size-5", "size_label": "Size 5", "neck_min_cm": 39, "neck_max_cm": 48, "published_widths": [] },
      { "id": "ancol-viva-size-6", "size_label": "Size 6", "neck_min_cm": 45, "neck_max_cm": 54, "published_widths": [] },
      { "id": "ancol-viva-size-7", "size_label": "Size 7", "neck_min_cm": 50, "neck_max_cm": 59, "published_widths": [] },
      { "id": "ancol-viva-size-8", "size_label": "Size 8", "neck_min_cm": 55, "neck_max_cm": 63, "published_widths": [] }
    ],
    "published_materials": "Poly-weave webbing with padding; padding composition and thickness are not published.",
    "published_hardware": "Satin buckle, ID loop and D-ring; the alloys are not published.",
    "published_care": "Machine wash at 30°C; do not tumble dry; air dry fully before reuse. Inspect collar, buckle, D-ring and stitching.",
    "maker_measurement_method": "Measure the neck and check that two fingers fit.",
    "between_size_rule": "No product-specific between-size rule was located; the checker shows every overlapping band.",
    "source_status": "Current manufacturer page with RRP; not a verified direct checkout route.",
    "evidence_limit": "Rub prevention, universal comfort, buckle strength, escape security, padding material or waterproofing performance.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://www.ancol.co.uk/dog/dog-walk/dog-walk-collars/viva/padded-viva-collar-black-35-43cm-size-4/",
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/#pick-ancol-viva-padded-collar",
    "last_checked": "2026-08-11"
  },
  {
    "id": "hurtta-casual-collar-eco",
    "maker": "Hurtta",
    "exact_model": "Hurtta Casual Collar ECO",
    "bands": [
      { "id": "hurtta-casual-20-30", "size_label": "20–30", "neck_min_cm": 20, "neck_max_cm": 30, "published_widths": [] },
      { "id": "hurtta-casual-25-35", "size_label": "25–35", "neck_min_cm": 25, "neck_max_cm": 35, "published_widths": [] },
      { "id": "hurtta-casual-30-40", "size_label": "30–40", "neck_min_cm": 30, "neck_max_cm": 40, "published_widths": [] },
      { "id": "hurtta-casual-35-45", "size_label": "35–45", "neck_min_cm": 35, "neck_max_cm": 45, "published_widths": [] },
      { "id": "hurtta-casual-40-50", "size_label": "40–50", "neck_min_cm": 40, "neck_max_cm": 50, "published_widths": [] },
      { "id": "hurtta-casual-45-55", "size_label": "45–55", "neck_min_cm": 45, "neck_max_cm": 55, "published_widths": [] }
    ],
    "published_materials": "2 mm waterproof neoprene padding with recycled knit and 100% recycled polyester woven straps.",
    "published_hardware": "POM quick-snap buckle, nickel-plated steel parts and 3M reflectors.",
    "published_care": "Hand wash; do not bleach, tumble dry, iron or dry clean; do not use fabric softener; wash with similar colours.",
    "maker_measurement_method": "Use neck circumference; Hurtta's collar guidance allows roughly one finger under the measuring tape.",
    "between_size_rule": "No product-specific between-size rule was located; the checker shows every overlapping band.",
    "source_status": "Current Great Britain product page; limited direct stock was displayed when checked.",
    "evidence_limit": "Universal breed fit, comfort, security or real-world strength; no public product-level report was located for laboratory claims.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://hurtta.com/en-gb/products/casual-collar-eco",
    "additional_sources": [
      { "label": "Hurtta collar measuring guidance", "url": "https://hurtta.com/en-gb/collections/collars" }
    ],
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/",
    "last_checked": "2026-08-11"
  },
  {
    "id": "nonstop-roam",
    "maker": "Non-stop Dogwear",
    "exact_model": "Non-stop Dogwear Roam Collar",
    "bands": [
      { "id": "nonstop-roam-xs", "size_label": "XS", "neck_min_cm": 32, "neck_max_cm": 36, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 21 }] },
      { "id": "nonstop-roam-s", "size_label": "S", "neck_min_cm": 36, "neck_max_cm": 40, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 26 }] },
      { "id": "nonstop-roam-m", "size_label": "M", "neck_min_cm": 40, "neck_max_cm": 45, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 28 }] },
      { "id": "nonstop-roam-l", "size_label": "L", "neck_min_cm": 45, "neck_max_cm": 50, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 32 }] },
      { "id": "nonstop-roam-xl", "size_label": "XL", "neck_min_cm": 50, "neck_max_cm": 55, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 35 }] },
      { "id": "nonstop-roam-2xl", "size_label": "2XL", "neck_min_cm": 55, "neck_max_cm": 60, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 35 }] },
      { "id": "nonstop-roam-3xl", "size_label": "3XL", "neck_min_cm": 60, "neck_max_cm": 65, "published_widths": [{ "basis": "Width (maker chart; construction layer not specified)", "value_mm": 35 }] }
    ],
    "published_materials": "Neoprene padding, nylon webbing and Hypalon reinforcement.",
    "published_hardware": "Aluminium D-ring, bluesign-approved Duraflex buckle, slip lock and reflective elements.",
    "published_care": "Machine wash at a maximum of 30°C; do not tumble dry.",
    "maker_measurement_method": "Measure where the collar will lie.",
    "between_size_rule": "Non-stop Dogwear says to choose the smaller size when the measurement is between sizes.",
    "source_status": "Current product page displayed a back-in-stock notification; exact UK variant stock was unresolved.",
    "evidence_limit": "Pressure distribution, comfort, prevention of chafing, strength or escape security.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://www.nonstopdogwear.com/products/roam-collar",
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/",
    "last_checked": "2026-08-11"
  },
  {
    "id": "ezydog-neo-classic",
    "maker": "EzyDog",
    "exact_model": "EzyDog Neo Classic Collar",
    "bands": [
      { "id": "ezydog-neo-s", "size_label": "S", "neck_min_cm": 34, "neck_max_cm": 38, "published_widths": [{ "basis": "Neoprene width", "value_mm": 30 }, { "basis": "Webbing width", "value_mm": 20 }] },
      { "id": "ezydog-neo-m", "size_label": "M", "neck_min_cm": 39, "neck_max_cm": 44, "published_widths": [{ "basis": "Neoprene width", "value_mm": 35 }, { "basis": "Webbing width", "value_mm": 25 }] },
      { "id": "ezydog-neo-l", "size_label": "L", "neck_min_cm": 45, "neck_max_cm": 51, "published_widths": [{ "basis": "Neoprene width", "value_mm": 35 }, { "basis": "Webbing width", "value_mm": 25 }] },
      { "id": "ezydog-neo-xl", "size_label": "XL", "neck_min_cm": 52, "neck_max_cm": 61, "published_widths": [{ "basis": "Neoprene width", "value_mm": 35 }, { "basis": "Webbing width", "value_mm": 25 }] }
    ],
    "published_materials": "Neoprene with EzyDog webbing.",
    "published_hardware": "Welded stainless-steel D-ring, quick-release buckle and reflective trim.",
    "published_care": "Conservative synthesis of maker pages: clean by hand with mild soap and water, avoid machine washing and dry thoroughly.",
    "maker_measurement_method": "Measure where the collar usually sits and check two-finger clearance.",
    "between_size_rule": "No product-specific between-size rule was located; the checker shows every overlapping band.",
    "source_status": "Current direct UK product page with checkout. The selector shows XS, 2XL and 3XL, but the current chart publishes no bands for them; those sizes are excluded.",
    "evidence_limit": "Comfort, rash prevention, tracheal protection, durability, waterproof performance or visibility performance.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://ezydog.co.uk/products/neo-classic-collar",
    "additional_sources": [
      { "label": "EzyDog exact-model size chart", "url": "https://ezydog.co.uk/pages/neo-classic-collar" },
      { "label": "EzyDog materials and care source", "url": "https://ezydog.co.uk/pages/materials" },
      { "label": "EzyDog collar measuring guidance", "url": "https://ezydog.co.uk/collections/dog-collars" }
    ],
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/",
    "last_checked": "2026-08-11"
  },
  {
    "id": "ruffwear-hi-light",
    "maker": "Ruffwear",
    "exact_model": "Ruffwear Hi & Light Lightweight Dog Collar",
    "bands": [
      { "id": "ruffwear-hi-light-23-28", "size_label": "9–11 in", "neck_min_cm": 23, "neck_max_cm": 28, "published_widths": [{ "basis": "Width (maker chart; webbing construction)", "value_mm": 15 }] },
      { "id": "ruffwear-hi-light-28-36", "size_label": "11–14 in", "neck_min_cm": 28, "neck_max_cm": 36, "published_widths": [{ "basis": "Width (maker chart; webbing construction)", "value_mm": 20 }] },
      { "id": "ruffwear-hi-light-36-51", "size_label": "14–20 in", "neck_min_cm": 36, "neck_max_cm": 51, "published_widths": [{ "basis": "Width (maker chart; webbing construction)", "value_mm": 25 }] },
      { "id": "ruffwear-hi-light-51-66", "size_label": "20–26 in", "neck_min_cm": 51, "neck_max_cm": 66, "published_widths": [{ "basis": "Width (maker chart; webbing construction)", "value_mm": 25 }] }
    ],
    "published_materials": "Polyester two-tone webbing.",
    "published_hardware": "Anodised 6061-T6 aluminium D-ring, ITW Nexus Mach 1 side-release buckle, separate ID point and silicone tag silencer.",
    "published_care": "Hand wash with mild detergent; air dry.",
    "maker_measurement_method": "Measure around the neck.",
    "between_size_rule": "No product-specific between-size rule was captured for this model; the checker shows every overlapping band.",
    "source_status": "Current UK product page; every displayed direct colour was marked out of stock when checked.",
    "evidence_limit": "Comfort in fur, strength-to-weight performance, durability or escape security.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://ruffwear.co.uk/products/hi-light-dog-collar",
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/",
    "last_checked": "2026-08-11"
  },
  {
    "id": "ruffwear-confluence",
    "maker": "Ruffwear",
    "exact_model": "Ruffwear Confluence Waterproof Dog Collar",
    "bands": [
      { "id": "ruffwear-confluence-36-51", "size_label": "14–20 in", "neck_min_cm": 36, "neck_max_cm": 51, "published_widths": [{ "basis": "Width (maker chart; webbing construction)", "value_mm": 25 }] },
      { "id": "ruffwear-confluence-51-66", "size_label": "20–26 in", "neck_min_cm": 51, "neck_max_cm": 66, "published_widths": [{ "basis": "Width (maker chart; webbing construction)", "value_mm": 25 }] }
    ],
    "published_materials": "TPU-coated polyester webbing with reflective screen print.",
    "published_hardware": "Anodised 6061-T6 aluminium D-ring, ITW Nexus Mach 1 side-release buckle, cam-lock adjusters, separate ID holder, Quick Ring and silicone tag silencer.",
    "published_care": "Hand wash with mild detergent; air dry.",
    "maker_measurement_method": "Measure around the neck.",
    "between_size_rule": "Ruffwear says to choose the larger size when the measurement is between sizes.",
    "source_status": "Current UK product page; every displayed direct colour was marked out of stock when checked.",
    "evidence_limit": "Waterproof or odour performance in use, comfort, reflectivity, strength or escape security.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://ruffwear.co.uk/products/confluence-collar",
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/",
    "last_checked": "2026-08-11"
  },
  {
    "id": "barbour-leather-dac0002",
    "maker": "Barbour",
    "exact_model": "Barbour Leather Dog Collar DAC0002",
    "bands": [
      { "id": "barbour-leather-small", "size_label": "Small", "neck_min_cm": 27.5, "neck_max_cm": 35.5, "published_widths": [] },
      { "id": "barbour-leather-large", "size_label": "Large", "neck_min_cm": 47, "neck_max_cm": 56.5, "published_widths": [{ "basis": "Width (maker product field)", "value_mm": 25 }] }
    ],
    "published_materials": "100% leather.",
    "published_hardware": "Aged brass-effect fittings and Barbour-engraved buckle.",
    "published_care": "Wipe clean only.",
    "maker_measurement_method": "Neck ranges are published; no more precise collar-position method was captured.",
    "between_size_rule": "No product-specific between-size rule was located. Medium is excluded because official Barbour sources disagree on its upper endpoint; Small width is omitted because the same sources publish 15 mm and 14 mm.",
    "source_status": "Current official UK store page. The product page says Medium ends at 46.5 cm while Barbour's general chart says 46 cm, and they disagree on Small width (15 mm versus 14 mm). Medium is not matched and Small width is not exported.",
    "evidence_limit": "Comfort, leather grade, strength, wet-weather suitability, ID attachment design or durability.",
    "rights_note": "DPR's selection, normalisation, exclusion notes and arrangement are CC BY 4.0; maker specifications and linked source content remain subject to their original rights.",
    "official_source": "https://www.barbour.com/gb/leather-dog-collar-DAC0002BR15S.html",
    "additional_sources": [
      { "label": "Barbour general size and fit guide", "url": "https://www.barbour.com/gb/customer_service/size-and-fit-guides.html" }
    ],
    "related_review_url": "/best-dog-leads-uk/best-dog-collar-uk/",
    "last_checked": "2026-08-11"
  }
]