E-Fire Aggressor Heated Top

Out of stock

The Aggressor eFire shirt adds powered heat elements to the most versatile and comfortable layering system available. Designed specifically for KLIM mid-layers and outerwear, the Aggressor eFire heated base layer traps body heat to ensure consistent warmth for a cold day. KLIM’s eFire heated technology features two vertical panels on the chest and one vertical panel on the upper back. The heating element includes three heat modes – low, medium and high – with long-lasting heating filaments powered by a USB-C charged battery with a hidden zipper battery pocket.

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  • Gridded fabric design traps heat
  • Flat low-profile seams for excellent minimum-bulk layering
  • Engineered specifically for power sports
  • Poly-spandex blend
  • Anti-microbial
  • Moisture-wicking
  • Highly breathable
  • Fast-drying
  • Lighter thinner gussets in underarms reduce bulk and increase breathability/mobility
  • Designed specifically for use with KLIM mid-layers and outerwear
  • Convertible cuff construction easily used as thumbhole or regular cuff
  • Heat panels on chest & back (2 upper chest (1 on each side) and 1 vertical on the mid-upper back)
  • Lighted touch button control on upper right chest (out of the way of backpacks straps, easy to access)
  • Internal wire routing for comfort
  • 3 Heat modes: high/medium/low (and off)
  • Up to 8 hours on low heat (green light)
  • Up to 3.5 hours on medium heat (blue light)
  • Up to 2.5 hours on high heat (red light)
  • Red-blue-green heat level lighting code
  • USB-C battery with LED battery life indicator
  • USB-C cable included
  • Washer & dryer safe (with battery removed)
  • Dedicated battery pocket
  • Replacement batteries available

Additional information


Small, Medium, Large, X-Large, XX-Large, XXX-Large

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