Klim Aggressor Shirt eFire

KLIM's Aggressor eFire shirt enhances its already versatile and comfy layers with heated elements. Perfect for pairing with KLIM's mid-layers and outerwear, this heated base layer uses unique technology to lock in body heat and provide reliable warmth on chilly snow days. The eFire feature boasts two vertical panels on the chest and one on the upper back, and offers three heat settings - low, medium, and high. And with a discreet battery pocket and long-lasting filaments that charge via USB-C, warmth has never been so convenient!

Features

• 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