{
 "id": "ridge-merino-northwind-merino-fleece-leggings",
 "name": "Ridge Merino Northwind Merino Fleece Leggings",
 "brand": {
  "name": "Ridge Merino",
  "url": "https://agenticrecs.com/brands/ridge-merino/"
 },
 "model": "Northwind Merino Fleece Leggings",
 "department": {
  "id": "running",
  "name": "Running",
  "url": "https://agenticrecs.com/running/"
 },
 "category": {
  "id": "running-tights-pants",
  "name": "Running tights & pants",
  "url": "https://agenticrecs.com/running/tights-pants/",
  "json_url": "https://agenticrecs.com/running/tights-pants/index.json",
  "schema": "running-apparel"
 },
 "subtype": "merino fleece tight",
 "msrp_usd": 120,
 "msrp_note": "Matches Treeline's listed $120.",
 "price_tier": "Mid-range",
 "price_checked": "2026-10-26",
 "attributes": {
  "fits": [
   "women"
  ],
  "warmth": "thermal",
  "wind": "none",
  "water": "none",
  "visibility": "reflective-details",
  "temp_range_f": [
   0,
   20
  ],
  "temp_range_c": [
   -18,
   -7
  ],
  "temp_basis": "reviewer"
 },
 "awards": [
  {
   "label": "Warmest",
   "guide": "cold-weather-running",
   "chapter": "tights-pants",
   "url": "https://agenticrecs.com/guides/cold-weather-running/tights-pants/"
  }
 ],
 "summary": "A merino-lined fleece tight that Treeline named its best wool option and one of the warmest it tested. It shines in single-digit cold but is too much once temperatures approach 20°F.",
 "best_for": "Very cold, calm runs in the single digits °F, for runners who prefer odor-resistant natural fibers.",
 "not_for": "Typical 25-40°F winter runs or windy days, since it has no wind panels.",
 "downsides": [
  "Too warm for most winter temperatures",
  "Minimal reflectivity (small logo)",
  "Women's only, XS-XL"
 ],
 "where_to_buy": [
  {
   "retailer": "Ridge Merino",
   "url": "https://www.ridgemerino.com/products/womens-northwind-fleece-leggings",
   "affiliate": false
  }
 ],
 "materials": "49% nylon, 46% merino wool, 5% Lycra; 300 gsm merino stretch fleece (18.5 micron), merino against the skin",
 "key_features": [
  "300 gsm merino-faced stretch fleece",
  "High rise with drawcord waist",
  "Zippered left-thigh pocket and drop-in right-thigh pocket",
  "Low-profile flatlock seams",
  "Four-way stretch",
  "OEKO-TEX Standard 100 fabric"
 ],
 "specs": {
  "Inseam": "28 in (brand); Treeline lists 30 in",
  "Rise": "High",
  "Pockets": "1 zippered thigh, 1 drop-in thigh",
  "Ankle zips": "None listed",
  "Fabric weight": "300 gsm",
  "Merino content": "46%"
 },
 "official_url": "https://www.ridgemerino.com/products/womens-northwind-fleece-leggings",
 "sources": [
  {
   "publisher": "Treeline Review",
   "title": "9 Best Women's Winter Running Leggings of 2026 (Tested)",
   "url": "https://www.treelinereview.com/gearreviews/best-womens-winter-running-tights",
   "date": "2026-02-12",
   "finding": "Best Wool Tights pick. Treeline called it extremely warm, comfortable and odor-resistant, best for single digits or colder, and likely too warm from about 20°F up, which limits its versatility."
  }
 ],
 "evidence": {
  "specs_from": "https://www.ridgemerino.com/products/womens-northwind-fleece-leggings",
  "reviews_summarized": 1,
  "tested_by_site": false
 },
 "guides": [
  {
   "guide": "cold-weather-running",
   "chapter": "tights-pants",
   "url": "https://agenticrecs.com/guides/cold-weather-running/tights-pants/"
  }
 ],
 "last_verified": "2026-10-26",
 "url": "https://agenticrecs.com/products/ridge-merino-northwind-merino-fleece-leggings/",
 "markdown_url": "https://agenticrecs.com/products/ridge-merino-northwind-merino-fleece-leggings/index.md",
 "json_url": "https://agenticrecs.com/products/ridge-merino-northwind-merino-fleece-leggings/index.json"
}