{"product_id":"mens-winter-thermal-underwear-long-johns-set-s-4xl","title":"Men's Winter Thermal Underwear Long Johns Set | S–4XL","description":"\n\u003ch2\u003eMen's Winter Thermal Underwear Set — Compression Base Layer for Sport \u0026amp; Everyday Warmth\u003c\/h2\u003e\n\n\u003cp\u003eStay warm and move freely all winter long with this men's thermal underwear set from LHPWTQ. Crafted from a high-performance \u003cstrong\u003ePolyester \u0026amp; Elastane blend\u003c\/strong\u003e, this long johns set combines insulating warmth with four-way stretch compression — making it ideal for running, skiing, hiking, or simply layering under your everyday clothes on cold days. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarm \u0026amp; Breathable Fabric:\u003c\/strong\u003e Polyester-Elastane construction traps body heat while wicking moisture away to keep you dry and comfortable during active use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Fit:\u003c\/strong\u003e The form-fitting design supports muscles and improves circulation during workouts, runs, or winter sports.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Set Included:\u003c\/strong\u003e Comes with both a long-sleeve thermal shirt and matching thermal leggings\/tights for complete head-to-toe coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTatting Weave Construction:\u003c\/strong\u003e A tight, durable weave that holds its shape wash after wash and resists pilling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Size Range:\u003c\/strong\u003e Available in S through 4XL — see the size guide below.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Wool:\u003c\/strong\u003e Suitable for those who prefer non-wool thermal wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Safe, skin-friendly materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Asian Sizing Note: These garments run 1–2 sizes smaller than European\/Western sizes. Please refer to the height \u0026amp; weight guide below and size up if in doubt.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSize\u003c\/th\u003e\n      \u003cth\u003eHeight (cm)\u003c\/th\u003e\n      \u003cth\u003eWeight (kg)\u003c\/th\u003e\n      \u003cth\u003eLength (cm)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e165–175\u003c\/td\u003e\n\u003ctd\u003e55–65\u003c\/td\u003e\n\u003ctd\u003e83–90\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e165–185\u003c\/td\u003e\n\u003ctd\u003e55–75\u003c\/td\u003e\n\u003ctd\u003e86–96\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e165–190\u003c\/td\u003e\n\u003ctd\u003e65–80\u003c\/td\u003e\n\u003ctd\u003e89–105\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e165–195\u003c\/td\u003e\n\u003ctd\u003e75–90\u003c\/td\u003e\n\u003ctd\u003e93–112\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2XL\u003c\/td\u003e\n\u003ctd\u003e170–200\u003c\/td\u003e\n\u003ctd\u003e85–100\u003c\/td\u003e\n\u003ctd\u003e96–118\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3XL\u003c\/td\u003e\n\u003ctd\u003e170–200\u003c\/td\u003e\n\u003ctd\u003e95–105\u003c\/td\u003e\n\u003ctd\u003e100–124\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4XL\u003c\/td\u003e\n\u003ctd\u003e175–200\u003c\/td\u003e\n\u003ctd\u003e105–110\u003c\/td\u003e\n\u003ctd\u003e104–130\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are between sizes or unsure, we recommend sizing up for extra comfort. Feel free to reach out before ordering!\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Men\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyester, Elastane\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeave:\u003c\/strong\u003e Tatting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Thermal shirt + thermal leggings\/tights\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e S \/ M \/ L \/ XL \/ 2XL \/ 3XL \/ 4XL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e G4W4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Cold-Weather Wardrobe\u003c\/h3\u003e\n\u003cp\u003eLooking for more ways to stay warm and active? Check out these related styles:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/womens-oversized-turtleneck-cashmere-sweater-winter-pullover\"\u003eWomen's Oversized Turtleneck Cashmere Sweater – Winter Pullover\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/womens-oversized-turtleneck-knit-pullover-sweater-thick-cozy\"\u003eWomen's Oversized Turtleneck Knit Pullover Sweater – Thick \u0026amp; Cozy\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/womens-loose-turtleneck-knit-pullover-sweater\"\u003ePTKPCC Women's Loose Turtleneck Knit Pullover Sweater\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/medlineplus.gov\/benefitsofexercise.html\" target=\"_blank\" rel=\"noopener\"\u003eMedlinePlus on the benefits of exercise\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Do these men's thermal long johns run true to size?\u003c\/h4\u003e\n\u003cp\u003eA: These thermal underwear sets follow Asian sizing, which typically runs 1–2 sizes smaller than European or Western sizes. We strongly recommend referring to the height and weight chart above and sizing up if you are between sizes. If you need help choosing the right size, please contact us before placing your order.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I wear this thermal underwear set for outdoor winter sports like running or skiing?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Polyester-Elastane compression base layer is designed for active use in cold weather. The fabric stretches with your body during high-movement activities like running, skiing, or hiking, while the thermal weave helps retain body warmth. It also works well as a base layer under outerwear or everyday clothing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I care for this men's thermal underwear set?\u003c\/h4\u003e\n\u003cp\u003eA: For best results, machine wash on a gentle\/cold cycle and tumble dry on low heat or hang to dry. Avoid bleach and high-heat drying, which can damage the Elastane fibres and reduce the compression fit over time. Following these care instructions will help the set retain its shape and warmth season after season.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the thermal set suitable for larger builds?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The set is available up to 4XL, accommodating heights up to 200 cm and weights up to 110 kg. Always cross-reference with the size chart to ensure the best fit, and don't hesitate to contact us if you need personalised sizing advice.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do these men's thermal long johns run true to size?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These thermal underwear sets follow Asian sizing, which typically runs 1–2 sizes smaller than European or Western sizes. We strongly recommend referring to the height and weight chart above and sizing up if you are between sizes. 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Always cross-reference with the size chart to ensure the best fit, and don't hesitate to contact us if you need personalised sizing advice.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Men's Winter Thermal Underwear Long Johns Set | S–4XL\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/mens-winter-thermal-underwear-long-johns-set-compression-base-layer\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Sets \/ 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