{"product_id":"the-frost-line-thermal-denim","title":"The Frost Line | Thermal-Lined Slim-Fit Winter Denim","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eWinter Denim Has Historically Been a Compromise — Either You Stay Warm and Look Bulky, or You Keep the Silhouette and Shiver. The Frost Line ends that negotiation. This is a slim-fit jean with a fully integrated thermal fleece lining that adds warmth without adding the dimensional bulk of layering, because the insulation is inside the denim, not underneath it.\u003c\/p\u003e\n\n\u003cp\u003eThe outer shell is a 12.5oz cotton-spandex denim (98\/2) with just enough mechanical stretch to hold a slim cut without binding at the knee and hip — the two pivot points that betray stiff denim the moment you sit down. The inner lining is a 180gsm brushed fleece, polyester-faced with a cotton backer, bonded to the denim shell through a lamination process that prevents the two layers from separating after repeated machine washes. The result is a jean that sits like a tailored slim-fit at first wear and moves with the body through a full day of walking, driving, and stair-climbing in near-zero temperatures.\u003c\/p\u003e\n\n\u003cp\u003eThe hardware is deliberately understated: gunmetal rivets, a matte black shank button at the waistband, and a YKK zip fly. The back pockets are reinforced at the corners with bar-tack stitching — the same reinforcement spec used on workwear denim rated for tool-carry. The front pocket bags are a brushed cotton twill, deeper than standard by 2cm, because cold hands deserve a pocket that actually holds them.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eA good winter jean is not about looking warm. It is about forgetting you are cold.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-features\" style=\"margin-top: 25px;\"\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ 12.5oz cotton-spandex outer denim — slim-fit with mechanical stretch at knee and hip\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ 180gsm brushed fleece inner lining, polyester-cotton bonded — no layer separation\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ Gunmetal rivets with matte black waistband shank button\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ YKK zip fly — smooth action even when gloved\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ Bar-tack reinforced back pocket corners — workwear-grade stitching\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ Extended-depth front pocket bags in brushed cotton twill (+2cm)\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0;\"\u003e✦ Pre-washed and sanforized — minimal shrinkage, ready-to-wear out of package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-specs\" style=\"margin-top: 25px;\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eOuter Material:\u003c\/strong\u003e 98% cotton, 2% spandex, 12.5oz denim\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eInner Lining:\u003c\/strong\u003e 180gsm brushed fleece (polyester-cotton bonded)\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Slim-fit through thigh, tapered leg\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eFly Type:\u003c\/strong\u003e YKK zip fly\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Gunmetal rivets, matte black shank button\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003ePockets:\u003c\/strong\u003e 5-pocket design, extended-depth front bags\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eReinforcement:\u003c\/strong\u003e Bar-tack stitching at stress points\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Pre-washed, sanforized\u003c\/li\u003e\n\u003cli style=\"padding: 6px 0; border-bottom: 1px solid #eee;\"\u003e\n\u003cstrong\u003eCare:\u003c\/strong\u003e Machine wash cold, tumble dry low\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-applications\" style=\"margin-top: 25px;\"\u003e\n\u003ch3\u003eWhere It Excels\u003c\/h3\u003e\n\u003cp\u003eEngineered for the urban winter — commutes in sub-zero temperatures, weekend walks when the frost hasn't lifted, and evenings when standing outside a bar feels like a decision you should have rethought. The Frost Line bridges the gap between technical warmth and street-ready aesthetics. Unlike bulky thermal underwear layered under standard jeans (which adds centimetres to every dimension), the integrated fleece lining keeps the slim silhouette intact while delivering genuine cold-weather insulation. Wear it from the office to the after-hours, from the morning errand run to the evening walk with the dog.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-faq\" style=\"margin-top: 25px;\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What temperature range is The Frost Line designed for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The 180gsm fleece lining provides comfort in temperatures from approximately -5°C to 8°C (23°F to 46°F) during moderate activity like walking. For static standing in wind, the effective range drops to about 0°C. This is a winter jean, not an expedition layer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the fleece lining make the jeans feel tight?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The lining is integrated into the denim — it replaces the need for a separate thermal base layer. Order your standard waist size. The mechanical stretch in the denim accommodates the lining without upsizing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the lining hold up after washing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The bonded fleece lining is rated for 40+ machine wash cycles without separation or pilling when washed cold and tumble-dried on low. Do not use fabric softener — it degrades the bond between the denim and fleece layers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these suitable for cycling or active winter sports?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: For cycling commutes under 30 minutes, yes. For skiing, snowboarding, or extended winter hiking, these are not a substitute for technical winter sportswear. The slim fit and cotton outer are optimised for urban wear, not alpine conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the actual leg opening measurement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The leg opening varies by waist size. For a size 32, the opening is approximately 16cm flat — a true tapered fit that sits cleanly over boots without bunching at the ankle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the estimated delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Standard worldwide shipping delivers within 7-14 business days. Express shipping options (3-7 business days) are available at checkout. All orders include full tracking from dispatch to delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer a 30-day return window from delivery. Products must be in original condition with tags attached. Refunds are processed within 5 business days of receiving the return. Contact our support team to initiate a return.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-gallery\" style=\"margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/H2b59622d7d2a4820b369790d7305cff22.jpg?v=1680395978\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 1\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/H3d93727136224d948eb9de20f09b9226I.jpg?v=1680395980\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 2\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/H059f1425531145f9a4968bdb67a954c7c.jpg?v=1680395981\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 3\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/H80977967629c44f19ddb95ef9627618fZ.jpg?v=1680395983\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 4\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/H6a25bd8966634f9ebf2b9111d9d33bdeG.jpg?v=1680395984\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 5\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/H2315777eaa8f47e68b00f10d479bb6e8n.jpg?v=1680395986\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 6\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/Hf1eefc135888441590e5cc1aa51e272bF.jpg?v=1680395987\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 7\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/Hcde62f2c782346ec8f1cb158f19a3dfes.jpg?v=1680395989\" style=\"max-width: 300px; width: 100%; border-radius: 4px;\" alt=\"Product image 8\"\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"The Frost Line | Thermal-Lined Slim-Fit Winter Denim\",\n  \"description\": \"Premium menswear — The Frost Line | Thermal-Lined Slim-Fit Winter Denim. 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