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Men's Thermal Base Layers

Explore our selection of men's thermal underwear designed for outdoor enthusiasts. Perfect for camping, hiking, and other cold-weather activities, these base layers offer superior warmth and moisture-wicking properties. Made from high-quality materials, they ensure comfort and durability in harsh conditions. Whether you're braving the winter wilderness or just need an extra layer of warmth, our thermal underwear collection has you covered.

Found 64 items

  • Features
  • Heating function for warmth
  • Detachable hat for versatility
  • Rechargeable battery powered
  • Features
  • USB-powered electric heating
  • Constant temperature control
  • Cotton-padded insulation
  • Features
  • USB charging heating
  • Cold and warm models
  • Outdoor sports use
  • Features
  • Heated carbon fibers emitting infrared waves
  • Magnetic charging interface
  • Detachable design for maintenance and storage
  • Features
  • Adjustable temperature control
  • Winter warmth technology
  • Men's size 7XL
  • Features
  • USB-powered heating system
  • Dual-control temperature adjustment
  • 9-zone thermostatic heating
  • Features
  • 21-zone temperature control
  • USB-powered heating
  • Machine washable design
  • Features
  • USB powered heating
  • Adjustable temperature settings
  • Lightweight and comfortable
  • Features
  • 19 heating zones
  • Intelligent temperature control
  • Heating for knees, back, and waist
  • Features
  • 21 heating zones for targeted warmth
  • USB powered from any 5V charger
  • Heats up in 30 seconds
  • Features
  • USB rechargeable heating
  • Winter warmth technology
  • Fashionable solid color design
  • Features
  • Electric heating
  • Charging capability
  • Warm winter wear
  • Features
  • Constant temperature control
  • Includes warm underwear and long pants
  • Available in size 5XL
  • Features
  • Smart temperature control
  • USB powered
  • For women and men
  • Features
  • USB electric heating
  • Fashionable men's coat
  • Warm winter wear
  • Features
  • USB heating technology
  • Sleeveless design
  • Winter outdoor use
  • Features
  • USB powered heating
  • Multiple heating zones
  • Winter outdoor activities
  • Features
  • USB-powered heating
  • Waterproof construction
  • Three-in-one design
  • Features
  • 2 heating zones
  • USB powered
  • Stand collar design
  • Features
  • Temperature control
  • Electric heating
  • Unisex design
  • Features
  • USB powered heating
  • Multiple heating zones
  • Winter outdoor use
  • Features
  • USB charging
  • electric heating
  • large size
  • Features
  • 9 heating zones for neck, back, waist, and abdomen
  • Heats up within 1–2 minutes
  • Three temperature settings: high (~113°F), medium (~95°F), low (~77°F)
  • Features
  • 2 heating zones
  • USB powered
  • Stand-up collar
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