Works with or without a Smartphone. Up to 10 Hours of warmth. 4 Heat Settings.
Primer's Men's Heated Pants
Primer Plus Men's Heated Shirt
Heated Base Layer & Pants (Hunting, Riding, Working)
Primer's Men's Heated Pants
Mobile Warming Men's Heated Primer Baselayer Shirt, Black, Small
Ergodyne N-Ferno Men's XL Black Base Layer Thermal Bottoms 6480
ActionHeat 5V Men's Heated Base Layer Pants – ActionHeat Heated
Mobile Warming Heated Clothing & Gear
Heated Clothing: Jackets, Pants, Socks, Gloves
Heated Base Layer & Pants (Hunting, Riding, Working)