{"product_id":"mens-slim-fit-thermal-base-layer-long-sleeve-pants-set","title":"Men's Slim Fit Thermal Base Layer Set – Long Sleeve Top \u0026 Pants Warm Underwear (S–3XL)","description":"\u003ch2\u003eThe Layer That Makes Every Outfit Warmer.\u003c\/h2\u003e\u003cp\u003eWarmth starts from the inside. This slim-fit thermal base layer set — a long sleeve top and matching thermal pants — is the cold-weather essential that goes under everything and makes everything work better in autumn and winter. Solid color construction, a streamlined slim fit that layers without bulk, and comfortable fabric that stays comfortable through active sport and everyday wear.\u003c\/p\u003e\u003cp\u003eAvailable in multiple colorways across sizes S through 3XL. The base layer that earns its place in every winter wardrobe.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim Fit Cut\u003c\/strong\u003e — Streamlined silhouette that layers under outerwear without adding bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Fabric\u003c\/strong\u003e — Warm base layer material designed for autumn and winter sport and fitness use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Long Sleeve \u0026amp; Pants Set\u003c\/strong\u003e — Complete 2-piece base layer coverage from top to bottom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid Color Options\u003c\/strong\u003e — Clean, versatile colorways that work under any outfit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes S–3XL\u003c\/strong\u003e — Comfortable sizing range for a slim-fit base layer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRun warmer. Train longer. Layer smarter. This base layer set gives you the thermal foundation to get the most out of every winter workout and cold-weather day.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne (1) long sleeve thermal top and one (1) matching thermal pants in the selected color and size.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this designed to be worn as a base layer or standalone?\u003c\/strong\u003e\u003cbr\u003ePrimarily designed as a thermal base layer to be worn under outerwear, but can also be worn as standalone loungewear or lightweight sportswear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the fabric stretchy for sport use?\u003c\/strong\u003e\u003cbr\u003eYes — the slim-fit thermal fabric includes stretch for comfortable active movement during sport and fitness use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the pieces sold as a set?\u003c\/strong\u003e\u003cbr\u003eYes — sold as a complete 2-piece base layer set.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does sizing run for a base layer?\u003c\/strong\u003e\u003cbr\u003eSelect your standard size for a true slim-fit base layer feel. Size up if you prefer a slightly looser fit under heavy outerwear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this machine washable?\u003c\/strong\u003e\u003cbr\u003eSee care label for fabric and washing instructions.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Men's 2-Piece Thermal Base Layer Set\u003cbr\u003e\u003cstrong\u003eStyle:\u003c\/strong\u003e Base Layer \/ Warm Underwear \/ Fitness\u003cbr\u003e\u003cstrong\u003eFit:\u003c\/strong\u003e Slim Fit\u003cbr\u003e\u003cstrong\u003eSleeve:\u003c\/strong\u003e Long Sleeve\u003cbr\u003e\u003cstrong\u003eSizes:\u003c\/strong\u003e S, M, L, XL, XXL, XXXL\u003cbr\u003e\u003cstrong\u003eSeason:\u003c\/strong\u003e Autumn \/ Winter\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.91 lbs (0.414 kg)\u003cbr\u003e\u003cbr\u003e\u003cem\u003eNote: Color variant names are pending update — select from available options above.\u003c\/em\u003e\u003c\/p\u003e","brand":"Authority Asset Brand","offers":[{"title":"XL \/ 2PCS-ci-bnhui","offer_id":49317391433972,"sku":"14:771#2PCS-ci-bnhui;5:100014065","price":30.99,"currency_code":"USD","in_stock":true},{"title":"XXL \/ 2PCS-ci-bnhui","offer_id":49317391466740,"sku":"14:771#2PCS-ci-bnhui;5:4182","price":30.99,"currency_code":"USD","in_stock":true},{"title":"M \/ 2PCS-ci-bnhui","offer_id":49317391499508,"sku":"14:771#2PCS-ci-bnhui;5:361386","price":33.99,"currency_code":"USD","in_stock":true},{"title":"L \/ 2PCS-ci-bnhui","offer_id":49317391532276,"sku":"14:771#2PCS-ci-bnhui;5:361385","price":30.99,"currency_code":"USD","in_stock":true},{"title":"S \/ 2PCS-ci-bnhui","offer_id":49317391565044,"sku":"14:771#2PCS-ci-bnhui;5:100014064","price":34.99,"currency_code":"USD","in_stock":true},{"title":"XXXL \/ 2PCS-ci-bnzq","offer_id":49317391597812,"sku":"14:173#2PCS-ci-bnzq;5:4183","price":31.99,"currency_code":"USD","in_stock":true},{"title":"XL \/ 2PCS-ci-bnzq","offer_id":49317391630580,"sku":"14:173#2PCS-ci-bnzq;5:100014065","price":30.99,"currency_code":"USD","in_stock":true},{"title":"XXXL \/ 2PCS-ci-bnhei","offer_id":49317391663348,"sku":"14:193#2PCS-ci-bnhei;5:4183","price":32.99,"currency_code":"USD","in_stock":true},{"title":"XXL \/ 2PCS-ci-bnzq","offer_id":49317391696116,"sku":"14:173#2PCS-ci-bnzq;5:4182","price":30.99,"currency_code":"USD","in_stock":true},{"title":"M \/ 2PCS-ci-bnzq","offer_id":49317391728884,"sku":"14:173#2PCS-ci-bnzq;5:361386","price":34.99,"currency_code":"USD","in_stock":true},{"title":"L \/ 2PCS-ci-bnzq","offer_id":49317391761652,"sku":"14:173#2PCS-ci-bnzq;5:361385","price":30.99,"currency_code":"USD","in_stock":true},{"title":"S \/ 2PCS-ci-bnzq","offer_id":49317391794420,"sku":"14:173#2PCS-ci-bnzq;5:100014064","price":34.99,"currency_code":"USD","in_stock":true},{"title":"M \/ 2PCS-ci-bnhei","offer_id":49317391827188,"sku":"14:193#2PCS-ci-bnhei;5:361386","price":34.99,"currency_code":"USD","in_stock":true},{"title":"L \/ 2PCS-ci-bnhei","offer_id":49317391859956,"sku":"14:193#2PCS-ci-bnhei;5:361385","price":30.99,"currency_code":"USD","in_stock":true},{"title":"XXXL \/ 2PCS-ci-bnhui","offer_id":49317391892724,"sku":"14:771#2PCS-ci-bnhui;5:4183","price":31.99,"currency_code":"USD","in_stock":true},{"title":"S \/ 2PCS-ci-bnhei","offer_id":49317391925492,"sku":"14:193#2PCS-ci-bnhei;5:100014064","price":34.99,"currency_code":"USD","in_stock":true},{"title":"XL \/ 2PCS-ci-bnhei","offer_id":49317391958260,"sku":"14:193#2PCS-ci-bnhei;5:100014065","price":30.99,"currency_code":"USD","in_stock":true},{"title":"XXL \/ 2PCS-ci-bnhei","offer_id":49317391991028,"sku":"14:193#2PCS-ci-bnhei;5:4182","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0564\/6836\/files\/Sc03118b0bdf54f88851ea057033cac7eg.webp?v=1788476505","url":"https:\/\/authorityassetbrand.com\/products\/mens-slim-fit-thermal-base-layer-long-sleeve-pants-set","provider":"Authority Asset Brand","version":"1.0","type":"link"}