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Men’S Thermal Underwear Set Fleece Lined Long Johns Warm Base Layers Top & Bottom

Men's Base Layers

Men's Base Layers — Built for the Backcountry

Your performance starts at the skin. Our men's base layer collection is engineered for outdoor athletes who demand moisture management, thermal regulation, and all-day comfort — whether you're skinning up a ridge, setting up camp, or pushing through a cold-weather trail run.

Why Base Layers Matter

A quality base layer is the foundation of any layering system. It wicks sweat away from your skin, retains warmth when temperatures drop, and moves with your body so nothing slows you down. Every piece in this collection is selected to meet the demands of serious outdoor use.

What You'll Find in This Collection

  • Lightweight base layers — ideal for high-output activities where breathability is critical
  • Midweight base layers — versatile warmth for variable conditions and shoulder-season adventures
  • Heavyweight base layers — maximum insulation for cold-weather camping, winter hiking, and alpine pursuits
  • Merino wool options — natural odor resistance and temperature regulation for multi-day trips
  • Synthetic options — fast-drying performance for wet environments and high-intensity use

Key Features to Look For

Shop by fit, fabric weight, and activity type. Look for flatlock seams to eliminate chafing, four-way stretch for unrestricted movement, and UPF ratings for sun-exposed terrain. All products in this collection meet Headpointe's standards for quality, durability, and Leave No Trace values.

Gear up right. Start with the base.

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Regular price $55.00 USD
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Prepared is the best thing you can be out there.The best outdoor adventures are the ones where nothing goes wrong — and the second best are the ones where you were ready when something did. This po...
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Regular price $25.00 USD
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Prepared is the best thing you can be out there.The best outdoor adventures are the ones where nothing goes wrong — and the second best are the ones where you were ready when something did. This po...
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Regular price $30.00 USD
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Light Up the Dark. Go Further After Sunset. When the trail doesn't end at dusk, your light source needs to be as capable as you are. This 30W High-Power Zoom LED Flashlight delivers up to 500 meter...
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Keep your hands free and your essentials secure with this Multifunctional Sports Waist Pack, crafted from waterproof nylon that shrugs off rain and trail splatter without missing a beat. A breathab...
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Regular price $42.00 USD
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Overview Fleece-lined thermal set with superior warmth retention for cold weather wear Derong fabric technology offering soft texture and durable comfort Multi-functional features including anti-...
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Regular price $90.00 USD
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Start warm from the inside out with this Unisex Heating Thermal Underwear — a smart base layer built with self-heating technology that traps and reflects your body's natural warmth to keep your cor...
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Regular price $55.00 USD
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Build the perfect cold-weather base with this Thermal Underwear Set — a matched top and bottom system designed to keep your core warm and your movement unrestricted through the most demanding winte...
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Regular price $32.50 USD
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Layer smart for cold-weather adventures with this Men's Thermal Vest and Bottom Base Layer Set — a lightweight, close-fitting foundation that traps warmth against your core and legs while leaving y...
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Regular price $24.99 USD
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Overview Thermal Insulation - Fleece-lined fabric provides effective warmth retention for cold weather. Soft Comfort - Made from polyester and spandex blend for a soft, skin-friendly feel. Slim Fit...
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Regular price $30.00 USD
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Overview Thermal Insulation - Fleece-lined design provides excellent warmth retention for cold weather Comfort Fit - Soft polyester fabric ensures comfortable wear without irritation Moisture Wicki...
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