SAVIOR Heated Base Layer for Women's Thermal Underwear and Winter Clothing

SAVIOR Heated Base Layer for Women's Thermal Underwear and Winter Clothing

$84.99 USD $169.99 USD

Size: L

Base Layer Set

How to Measure

A. Shoulder Width Measure straight across from one shoulder seam to the other.

B. Length Measure from the highest point of the shoulder down to the bottom hem of the top.

C. Waistline Measure around the waist area of the top while keeping the tape level.

D. Sleeve Length Measure from the shoulder seam down to the sleeve cuff.

E. Outseams Measure from the top of the waistband down along the outside of the leg to the ankle opening.

F. Waist Measure around the waistband area while keeping the tape level.

G. Crotch Length Measure from the front waistband through the crotch area to the back waistband.

Size Chart

Size Chart (CM)

Size / Height	Shoulder Width (A)	Length (B)	Waistline (C)	Sleeve Length (D)	Outseams (E)	Waist (F)	Crotch Length (G)
160–170 / M	41.5	68	88	57	98.5	75	27 / 33
165–175 / L	42.5	69	92	57.5	99.5	80	27 / 33.5
170–180 / XL	43.5	70	96	58	100.5	85	28 / 34
175–185 / XXL	44.5	71	100	58.5	101.5	90	28.5 / 34.5
180–190 / XXXL	45.5	72	104	59	102	96	29 / 35

Size Chart (INCH)

Size / Height	Shoulder Width (A)	Length (B)	Waistline (C)	Sleeve Length (D)	Outseams (E)	Waist (F)
160–170 / M	16.3	26.8	34.6	22.4	38.8	29.5
165–175 / L	16.7	27.2	36.2	22.6	39.2	31.5
170–180 / XL	17.1	27.6	37.8	22.8	39.6	33.5
175–185 / XXL	17.5	28.0	39.4	23.0	40.0	35.4
180–190 / XXXL	17.9	28.3	40.9	23.2	40.2	37.8

Measurements are taken manually. A small variation may occur due to different measuring methods.

Tips

1. Compare With Your Favorite Set: Lay a well-fitting top and pants flat, then compare their measurements with the size chart.

2. Check Both Top and Bottom: For the best fit, compare shoulder, sleeve, waist, and outseam measurements together.

3. Between Sizes? Size Up: If your measurements fall between two sizes, choose the larger size for a more comfortable fit.

S
M
L
XL
2XL

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SAVIOR Heated Base Layer for Women's Thermal Underwear and Winter Clothing

L

$84.99 USD $169.99 USD

Warmth Beyond the Ordinary

SAVIOR HEAT Women’s Heated Thermal Underwear Set is designed for winter commuting, skiing, camping, hiking, fishing, cycling, outdoor work, and daily cold-weather wear.

The heated top and pants fit comfortably under coats, ski suits, down jackets, or workwear, helping reduce bulky winter layers.

Five heating zones target the abdomen, waist, back, chest, and legs, with three heat settings, fast heat-up, smart temperature control, and extended battery life.

HEATING PERFORMANCE

Advanced heating technology delivers consistent warmth with NTC overheat protection for safer, worry-free comfort.

High: 149°F / 65°C | Up to 3H Runtime
Medium: 131°F / 55°C | Up to 6H Runtime
Low: 113°F / 45°C | Up to 13H Runtime

Up to 70% runtime efficiency at -4°F.
Reliable warmth, even in extreme cold.
*Data based on SAVIOR HEAT lab testing.

BATTERY PERFORMANCE

7.4V 3000mAh rechargeable battery power, engineered for stable winter performance.

Cold-Resistant Power
Stable output when temperatures drop.

UL Certified. FCC / CE / RoHS / UKCA Compliant. MSDS Available.
Safety-tested for reliable charging, storage, and everyday winter use.

Up to 13Hrs Runtime
Long-lasting warmth on low setting under standard testing conditions.

Tech Specs

Fabric

100% Polyester

Heating System

5-Zone Core Heating Coverage

Cold-weather protection for winter activities
Warmth for abdomen, waist, back, chest, and legs
Designed for skiing, motorcycling, hunting, hiking, and outdoor work

Three Adjustable Heating Settings

3 heat levels for customized comfort
Low heat for long-lasting warmth
Medium heat for everyday cold-weather use
High heat up to 150°F / 66°C for stronger warmth

Fast Heating Elements

Heats up within 10 seconds
Steady warmth for core body areas
Smart temperature control with overheat protection

Long-Lasting Heat

Low setting provides up to 13 hours of warmth
Runtime may vary by heat level, outside temperature, battery level, and usage conditions
LED power indicator helps you check remaining battery life

Battery

7.4V 3000mAh rechargeable battery
Removable battery design for easy care and washing

Design

Slim Base Layer Design

Lightweight and breathable fabric
Warm, flexible fit for easy movement
Designed to layer under jackets, ski suits, or winter gear

Secure Concealed Battery Pocket

Hidden battery compartment
Secure fit during movement
Comfortable for skiing, riding, hunting, and outdoor work

Rechargeable Power System

7.4V 3000mAh rechargeable battery
LED power indicator for easy battery checks
Removable battery design for easy care and washing

3-Level Heat Control

100%, 55%, and 25% heat output settings
Fast warmth for cold-weather activities
Adjust heat for skiing, motorcycling, hunting, or daily winter wear

Included in the Box

Heated Underwear
5000mAh Battery
Dual Charging Cable
User Manual
Portable Storage Bag
Premium Gift Box

FAQs

How to choose the right size?

Try checking your regular base layer size and referring to our size chart before purchase. This heated thermal underwear set includes a heated top and heated pants, with sizes from S to 3XL for different body types. If you’re between sizes or prefer a more relaxed fit, we recommend choosing the larger size.

Is this heated underwear good for outdoor activities?

Yes. This heated underwear set is designed for cold-weather activities like skiing, motorcycling, hunting, hiking, camping, fishing, snow shoveling, outdoor work, and daily winter wear. It can be worn as a heated base layer in freezing weather or as regular thermal underwear in milder conditions.

How long does the battery last?

The 7.4V 3000mAh rechargeable battery provides up to 13 hours of warmth on the low setting. Actual runtime may vary depending on the heat level, outside temperature, battery condition, and usage environment. The LED power indicator helps you check the remaining battery level.

How to use the heated underwear correctly?

Step 1: Charge the Battery — Fully charge the battery before first use.

Step 2: Connect the Battery — Plug the battery into the cable inside the battery pocket.

Step 3: Turn On the Heat — Press and hold the power button to turn on the heating system.

Step 4: Adjust the Heat — Short press the button to switch between heat levels.

Step 5: Turn Off the Heat — Press and hold the power button until the indicator light turns off.

Note: If the heated underwear will not be used for a long time, please remove the battery.

How should I care for heated underwear?

Remove the battery before cleaning. Hand washing is recommended, but machine washing may be available if allowed by the user manual. Use a laundry bag, wash gently with cold water, and air dry completely before use. Do not tumble dry, bleach, iron, or dry clean.