{"title":"Undershirts","description":"\u003cp data-start=\"377\" data-end=\"443\"\u003e\u003cstrong data-start=\"377\" data-end=\"441\"\u003eUndershirts – Tactical Base Layers with Military Reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"445\" data-end=\"910\"\u003eUndershirts are an essential part of military clothing systems, designed to provide comfort, hygiene, and insulation under uniforms or outerwear. For decades, soldiers have relied on the military undershirt as a dependable base layer, whether training in hot climates or operating in freezing conditions. Lightweight yet durable, these garments are built to regulate body temperature, wick away moisture, and reduce friction during long hours of wear.\u003c\/p\u003e\n\u003cp data-start=\"912\" data-end=\"1414\"\u003eArmy surplus undershirts come in a range of materials, from classic cotton tees for breathability to thermal and moisture-wicking synthetics designed for cold-weather and high-activity use. Many feature flat seams, ribbed cuffs, and reinforced collars, making them both comfortable and long-lasting. In cold environments, a tactical thermal undershirt becomes the first line of defense against harsh weather, while in warm regions, lightweight versions keep the body cool and dry.\u003c\/p\u003e\n\u003cp data-start=\"1416\" data-end=\"1861\"\u003eToday, tactical undershirts are valued by survivalists, outdoor adventurers, and airsoft players as much as by collectors of authentic surplus gear. They work seamlessly with field shirts, jackets, and combat gear, making them versatile for hiking, camping, or everyday use. Explore our collection and discover authentic surplus base layers that combine military heritage, modern performance, and tactical functionality.\u003c\/p\u003e","products":[{"product_id":"blochl-brand-military-style-jersey-shirts-thermal-high-neck-undershirts-new","title":"Blochl Brand Military style jersey shirts thermal high neck undershirts NEW","description":"\u003cp\u003e\u003cspan\u003eThe A. Blochl Brand Military style jersey is a 1\/4 zipped front garment in the color olive. It is designed with a military aesthetic.\u003c\/span\u003e\u003c\/p\u003e","brand":"A. Blochl","offers":[{"title":"4 (Small)","offer_id":43591731085553,"sku":"02916_4","price":26.37,"currency_code":"USD","in_stock":true},{"title":"5 (Small)","offer_id":43591731118321,"sku":"02916_5","price":26.37,"currency_code":"USD","in_stock":true},{"title":"6 (Medium)","offer_id":43591731151089,"sku":"02916_6","price":26.37,"currency_code":"USD","in_stock":true},{"title":"7 (Medium)","offer_id":43591731183857,"sku":"02916_7","price":26.37,"currency_code":"USD","in_stock":true},{"title":"8 (Large)","offer_id":43591731216625,"sku":"02916_8","price":26.37,"currency_code":"USD","in_stock":true},{"title":"9 (Large)","offer_id":43591731249393,"sku":"02916_9","price":26.37,"currency_code":"USD","in_stock":true},{"title":"10 (XLarge)","offer_id":43591731282161,"sku":"02916_10","price":26.37,"currency_code":"USD","in_stock":true},{"title":"11\/62 (XLarge)","offer_id":43591731314929,"sku":"02916_11","price":26.37,"currency_code":"USD","in_stock":true},{"title":"12\/64 (2XLarge)","offer_id":43591731347697,"sku":"02916_12","price":26.37,"currency_code":"USD","in_stock":true},{"title":"13\/66 (2XLarge)","offer_id":43591731380465,"sku":"02916_13","price":26.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4974\/8721\/files\/blochl-brand-military-style-jersey-shirts-thermal-high-neck-undershirts-new-8857231.jpg?v=1761669439"},{"product_id":"texar-military-wear-thermal-undershirt-long-sleeve-field-uniform-base-underwear","title":"TEXAR military wear thermal undershirt long sleeve field uniform base underwear","description":"\u003cp\u003eThe TEXAR long sleeve thermal undershirt delivers warmth, comfort, and durability for those facing cold conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for military personnel, outdoor adventurers, and tactical professionals, this undershirt provides essential insulation while allowing full mobility. Its advanced thermal fabric traps body heat, keeping you warm without adding bulk. The breathable material regulates temperature and prevents overheating, ensuring all-day comfort. \u003c\/li\u003e \u003cli\u003eBuilt for active use, this long sleeve thermal undershirt wicks moisture away, keeping your skin dry during intense tasks. Whether worn under heavy gear or as a standalone layer, it maintains warmth while allowing unrestricted movement. The snug fit enhances heat retention without feeling too tight, making it an excellent choice for layering in extreme weather. Reinforced stitching at key stress points increases durability, ensuring long-lasting wear in rugged environments. \u003c\/li\u003e \u003cli\u003eThis long sleeve thermal undershirt features a sleek military-inspired design, combining functionality with a professional look. The soft fabric prevents irritation, making it comfortable for extended wear. Perfect for training, outdoor work, or cold-weather missions, this undershirt provides the warmth and performance needed in demanding conditions.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eStay warm, dry, and ready for any challenge with a high-quality thermal layer designed for tough environments.\u003c\/p\u003e","brand":"TEXAR","offers":[{"title":"Olive \/ XLarge","offer_id":46833288544598,"sku":"03504_XL\/OD","price":36.78,"currency_code":"USD","in_stock":true},{"title":"Olive \/ Small","offer_id":46833288446294,"sku":"03504_S\/OD","price":36.78,"currency_code":"USD","in_stock":true},{"title":"Olive \/ Medium","offer_id":46833288479062,"sku":"03504_M\/OD","price":36.78,"currency_code":"USD","in_stock":false},{"title":"Olive \/ Large","offer_id":46833288511830,"sku":"03504_L\/OD","price":36.78,"currency_code":"USD","in_stock":true},{"title":"Olive \/ 2XLarge","offer_id":46833288577366,"sku":"03504_XXL\/OD","price":36.78,"currency_code":"USD","in_stock":true},{"title":"Black \/ XLarge","offer_id":46833288708438,"sku":"03504_XL\/BL","price":36.78,"currency_code":"USD","in_stock":false},{"title":"Black \/ Small","offer_id":46833288610134,"sku":"03504_S\/BL","price":36.78,"currency_code":"USD","in_stock":false},{"title":"Black \/ Medium","offer_id":46833288642902,"sku":"03504_M\/BL","price":36.78,"currency_code":"USD","in_stock":false},{"title":"Black \/ Large","offer_id":46833288675670,"sku":"03504_L\/BL","price":36.78,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2XLarge","offer_id":46833288741206,"sku":"03504_XXL\/BL","price":36.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4974\/8721\/files\/texar-military-wear-thermal-undershirt-long-sleeve-field-uniform-base-underwear-3551390.jpg?v=1761666171"},{"product_id":"fox-outdoor-thermal-undershirt-breathable-stretchy-fabric-quick-dry-black","title":"Fox Outdoor Thermal Undershirt Breathable Stretchy Fabric Quick Dry Black","description":"\u003cp\u003eThe Fox Outdoor Thermal Undershirt delivers warmth, comfort, and moisture control during cold-weather activities. This Long Sleeve Undershirt works well as a base layer for hiking, tactical training, outdoor work, camping, sports, and everyday winter wear. Therefore, it helps keep your body dry and comfortable during active use.\u003c\/p\u003e\n\u003cp\u003eThe breathable stretch fabric supports effective moisture management by moving sweat away from the skin. In addition, the quick-dry material helps maintain a dry feel during long walks, training sessions, or changing weather conditions. The thermal design keeps warmth close to the body without adding unnecessary bulk.\u003c\/p\u003e\n\u003cp\u003eThe compression-style fit follows the body and supports natural movement. As a result, you can wear it comfortably under uniforms, jackets, tactical clothing, or outdoor layers. Flat seams help reduce rubbing and irritation, which makes the undershirt suitable for extended wear throughout the day.\u003c\/p\u003e\n\u003cp\u003eLightweight yet durable, this Long Sleeve Undershirt offers dependable performance in demanding environments. Choose the Fox Outdoor Thermal Undershirt when you need a warm, breathable, and quick-drying base layer for cold outdoor conditions.\u003c\/p\u003e","brand":"Fox Outdoor","offers":[{"title":"Small (S)","offer_id":52688962683222,"sku":"05390_S","price":37.77,"currency_code":"USD","in_stock":true},{"title":"Medium (M)","offer_id":52688962781526,"sku":"05390_M","price":37.77,"currency_code":"USD","in_stock":true},{"title":"Large (L)","offer_id":52688962748758,"sku":"05390_L","price":37.77,"currency_code":"USD","in_stock":true},{"title":"XLarge (XL)","offer_id":52688962715990,"sku":"05390_XL","price":37.77,"currency_code":"USD","in_stock":true},{"title":"2XLarge (XXL)","offer_id":52688962650454,"sku":"05390_XXL","price":37.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4974\/8721\/files\/fox-outdoor-thermal-undershirt-breathable-stretchy-fabric-quick-dry-black-3198486.jpg?v=1771985840"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4974\/8721\/collections\/undershirts-3309598.png?v=1775128661","url":"https:\/\/www.gomilitar.ch\/en\/collections\/undershirts.oembed","provider":"GoMilitar","version":"1.0","type":"link"}