{"product_id":"mens-winter-thermal-base-layer-set-compression-shirt-pants","title":"Men's Winter Thermal Base Layer Set – Compression Shirt \u0026 Pants","description":"\n\u003ch2\u003eMen's Winter Thermal Base Layer Set – Compression Shirt \u0026amp; Pants\u003c\/h2\u003e\n\u003cp\u003eStay warm, dry, and performance-ready all season long with this high-quality men's thermal underwear suit. Engineered with a polyester blend and elastane construction, this two-piece compression base layer delivers targeted warmth, four-way stretch, and a tight, ergonomic fit that moves seamlessly with your body — whether you're running, training, or simply braving the cold.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulating Thermal Layer:\u003c\/strong\u003e Fleece-lined interior traps body heat efficiently, keeping you comfortably warm during autumn and winter activities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Fit:\u003c\/strong\u003e Snug, body-hugging design supports muscles and improves circulation during high-intensity workouts and outdoor sports.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMoisture-Wicking Fabric:\u003c\/strong\u003e Polyester blend quickly draws sweat away from the skin, keeping you dry and comfortable throughout your activity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFour-Way Stretch:\u003c\/strong\u003e Elastane content ensures maximum freedom of movement — ideal for running, cycling, gym sessions, and layering under outerwear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Set:\u003c\/strong\u003e Includes both a long-sleeve compression shirt and matching thermal pants for full-body coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Size Range:\u003c\/strong\u003e Available in S through 4XL to suit a wide range of body types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyester Blend, Elastane\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Men\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Compression \/ Tight Fit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Long Johns \/ Thermal Underwear Set (Shirt + Pants)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSizes Available:\u003c\/strong\u003e S, M, L, XL, XXL, 3XL, 4XL\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Guide (Asian Sizing — Please Size Up)\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eThis product uses Asian sizing, which typically runs 1–2 sizes smaller than European\/Western sizing. Please refer to the height and weight guide below when selecting your size.\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\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\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\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\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\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e170–200\u003c\/td\u003e\n\u003ctd\u003e85–100\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\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\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 added comfort. Feel free to reach out to us with your measurements and we'll be happy to advise.\u003c\/p\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRunning \u0026amp; jogging in cold weather\u003c\/li\u003e\n  \u003cli\u003eGym workouts and indoor training\u003c\/li\u003e\n  \u003cli\u003eSkiing, hiking, and outdoor winter sports\u003c\/li\u003e\n  \u003cli\u003eEveryday cold-weather layering under trousers and jackets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/womens-high-waist-fleece-lined-slim-pencil-jeans\"\u003eWomen's High-Waist Fleece-Lined Slim Pencil Jeans\u003c\/a\u003e – Another great fleece-lined option for cold-weather comfort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/womens-loose-turtleneck-knit-pullover-sweater\"\u003ePTKPCC Women's Loose Turtleneck Knit Pullover Sweater\u003c\/a\u003e – A cozy knit layer perfect for layering over base layers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e – Support your active lifestyle from the inside out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/health.gov\/moveyourway\" target=\"_blank\" rel=\"noopener\"\u003eHHS Move Your Way physical activity guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this men's thermal base layer set run true to size?\u003c\/h4\u003e\n\u003cp\u003eA: This thermal underwear set uses Asian sizing, which typically runs 1–2 sizes smaller than European or Western sizing. We recommend using the height and weight size chart provided to select the best fit. When in doubt, sizing up will give you a more comfortable, slightly looser layer. Contact us with your measurements if you need additional guidance.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I wear this compression thermal set for outdoor winter running?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! This set is specifically designed as a sport base layer for cold-weather activities including running, jogging, hiking, and gym workouts. The polyester-elastane blend offers four-way stretch and moisture-wicking properties, while the thermal lining provides insulating warmth — making it an ideal first layer under outerwear during autumn and winter.\u003c\/p\u003e\n\u003ch4\u003eQ: How should I care for my thermal underwear set?\u003c\/h4\u003e\n\u003cp\u003eA: For best results, machine wash on a gentle or cold cycle and avoid high-heat drying, which can degrade the elastane fibres and reduce stretch and fit over time. Tumble dry on low or lay flat to dry. Do not bleach or iron directly on the fabric.\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\": \"Does this men's thermal base layer set run true to size?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This thermal underwear set uses Asian sizing, which typically runs 1–2 sizes smaller than European or Western sizing. We recommend using the height and weight size chart provided to select the best fit. When in doubt, sizing up will give you a more comfortable, slightly looser layer. 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