{"product_id":"heatwave-thermalwear-mens-thermal-underwear-set-2-pack-long-sleeve-top-and-long-johns","title":"Men's Thermal Underwear Set 2 Pack – Long Sleeve Top \u0026 Long Johns, S–XXL","description":"\u003cp\u003eWhen the cold bites, you need a base layer that works as hard as you do — genuinely warm, genuinely comfortable, and invisible under everything you wear.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdvanced Insulating Yarn — The Heatwave® thermal underwear set is crafted from an advanced insulating yarn, providing a high-performance level of insulation.\u003c\/li\u003e\n\u003cli\u003eComfort Fit \u0026amp; Ribbed Construction — The ribbed construction of the thermal set shapes to the contours of your body, providing a snug yet flexible fit.\u003c\/li\u003e\n\u003cli\u003eDurable Material Blend — Made from a blend of 50% polyester and 50% cotton, this thermal set combines the best properties of both materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cp\u003eMade from a blend of 50% polyester and 50% cotton, this thermal set combines the best properties of both materials. Polyester provides durability and moisture-wicking capabilities, while cotton offers softness and breathability.\u003c\/p\u003e\n\u003ch3\u003eColours Available\u003c\/h3\u003e\n\u003cp\u003eWhite, Blue, Charcoal, Black, Navy, Grey\u003c\/p\u003e\n\u003ch3\u003eSizes Available\u003c\/h3\u003e\n\u003cp\u003eTop (Chest Size) 34-36” : Long John (Waist Size) 29-32” Medium: Top (Chest Size) 37-39” : Long John (Waist Size) 33-35” Large: Top (Chest Size) 40-42” : Long John (Waist Size) 36-38” X-Large: Top (Chest Size) 43-45” : Long John (Waist Size) 39-42\" XX-Large: Top (Chest Size) 46-48” : Long John (Waist Size) 43-45” All sizes are approximate.\u003c\/p\u003e\n\u003ch3\u003eCare Instructions\u003c\/h3\u003e\n\u003cp\u003eMachine washable at 40°C Can be tumble dried Wash dark colours separately.\u003c\/p\u003e\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003ePerfect Christmas gift for outdoor enthusiasts, hikers, and skiers A thoughtful birthday treat for them who feels the cold Great Secret Santa present — practical, comfortable, always appreciated Ideal self-care gift for anyone who spends time outdoors in winter.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this warm enough for skiing or outdoor sports?\u003c\/strong\u003e\u003cbr\u003eYes — the insulating yarn and brushed interior are engineered for cold-weather performance as a base layer for skiing, snowboarding, and hiking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I wear this under everyday clothes?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. The slim ribbed fit layers smoothly under jeans, trousers, or work attire without adding visible bulk.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for sensitive skin?\u003c\/strong\u003e\u003cbr\u003eYes — the hypoallergenic fibres are gentle and non-irritating for comfortable all-day wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat sizes are available?\u003c\/strong\u003e\u003cbr\u003ePlease refer to the Sizes Available section for the full range. If you're between sizes, we recommend sizing up for the most comfortable layering fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it machine washable?\u003c\/strong\u003e\u003cbr\u003eYes — machine wash at 40°C. 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