*Fieldsheer garments have an athletic fit. If you are in between sizes or unsure on how to measure, we recommend you order a size up.
Fieldsheer’s® latest men’s and women’s Thermick Heated Baselayer Pants are a thoughtful combination of form, function, comfort, and value. Combined with a comfortable thermal fabric, the Thermick Baselayer Pant delivers all-day warmth while keeping you dry and protected from the elements. Our Powersheer™ 7.4-Volt Lithium-Ion battery is supported by a universal USB charging port and can provide heat for up to 10 hours on a single charge. Fieldsheer’s Mobile Warming® Technology is integrated with multi-zone heating elements, helps maintain circulation, decreases muscle soreness, and helps regulate internal temperature. Since 1978 Fieldsheer has redefined what it means for the modern explorer, and the Thermic Baselayer Pants are another step in that evolution. A cotton-poly blend combined with a thermal midweight layer and rib-knit cuffs and waist provides unparalleled comfort and performance, keeping you in the field and doing what you love longer.

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Designed with versatility, function, and value in mind, Fieldsheer’s® Thermick men’s Heated Baselayer and women’s Heated Baselayer Pants deliver uncompromising performance combined with our Mobile Heating Technology®. Thin enough to be worn under an outer layer, ski or snowboarding pants, or other outdoor gear, the Thermick Heated Baselayer Pants are an essential piece of any outdoor person’s kit. Our Powersheer™ 7.4-Volt Lithium-Ion battery is supported by a universal USB charging port and can provide heat for up to 10 hours on a single charge. 4 distinct heat settings put you in control, and you can stay warm in even the harshest winter conditions. Easily toggle between heat settings to find the perfect level of comfort on even the coldest winter days with the integrated waterproof touch control button.

The Thermick Heated Baselayer Pants keep you in the field and doing what you love longer. The cotton-poly blend offers numerous benefits, ensuring you’ll stay warm and dry all day long. Additionally, it’s an ideal fabric for layering as part of your outdoor equipment. The rib-knit cuffs and waist keep it securely in place no matter what you’re doing from skiing, snowboarding, or any of your favorite winter activities. Perfect as your first layer for the coldest winter days in backcountry powder, late fall camping, or early spring jogs. Multi-zone heating elements deliver even warmth and help keep your internal temperature regulated. The rib-knit cuffs and waist keep it securely in place no matter what you’re doing from skiing, snowboarding, or any of your favorite winter activities. The Sweatsheer™ mesh liner wicks moisture away, keeping you dry, warm, and comfortable for hours on end, while the thermal midweight base layer delivers another level of protection.

The Thermick Heated Baselayer Pants allow you to keep going no matter what the conditions throw at you, and by maintaining a healthy temperature, you reduce fatigue, muscle soreness and decrease sensitivity. Fieldsheer continues to deliver unparalleled performance and rugged durability without sacrificing comfort, mobility, or value. Since 1978 Fieldsheer has been a leading manufacturer of outdoor apparel, men’s heated clothing, and women’s heated clothing. We know that conditions can change rapidly, and our Thermick Heated Baselayer Pants let you adapt and stay warm in any environment, from arid desert conditions to high Alpine timberlines. Men’s Thermick Heated Baselayer Pants come in grey, and women’s are made in a stylish tan.     

Baselayer Features:

  • 58% Cotton, 38% Rayon, 4% Spandex
  • Sweatsheer™ Moisture Wicking Mesh Liner
  • Rib-Knit Waist and Ankles
  • Multi-Zone Heat Elements: 2x Inner Thigh & 1x Upper Back
  • Integrated Touch Control Button
  • 4 Selectable Heat Settings
  • 7.4volt Rechargeable Lithium-Ion Battery
  • Up to 10 Hours of Power Per Charge
  • Universal USB Charging Input

Battery Features:

* Footnote: Charge time is based off using a USB-A wall charger that delivers 5V@2.1A

Includes:

(1) Thermick Heated Baselayer Pants

(1) Powersheer™ Rechargeable Lithium-Ion Battery (7.4V 2200mAh)

(1) Micro USB cable

Download Heated Apparel User Manual