The UnderWarmer is a convenient, one-time use compression shirt with a secret deigned to keep you warm for 10-12 hours straight! 8 strategically air-activated heating packs are woven into the front and back of the compression shirt.
Simply take the UnderWarmer out of its packaging, and it begins to heat up, reaching temperatures up to 100 degrees Fahrenheit. No batteries required!
The shirts are tailored to have a compression fit, pressing the heat packs up against your body. Warming your core like this provides total body warmth, including your extremities. It's lightweight and won't weigh you down like bulky base layers or coats. You can wear it right up against your skin or over a regular shirt.
Stay warm for an entire day outside. Whether you're ice fishing, shoveling, sledding, hiking, hunting, or tailgating, keep warm in even negative digits.
Sizes:
Medium: Chest 35 - 39 Inches
Large: Chest 40 - 44 Inches
X-Large: Chest 45 - 49 Inches
Note: These compression shirts are designed to feel a little snug, making the heat packs more effective.
FEATURES and BENEFITS:
- 8 Air-Activated Heat Packs Reach up to 100 Degrees
- No Batteries Required
- Compression Fit
- Warms Entire Core, Front and Back
- Lasts 10-12 Hours Straight
- Lightweight for Active Use
- All-Day Warmth while Fishing, Hunting, Tailgating, and More
- Single Use Shirt
- Use as Base layer or Over an Undershirt
- Patent-Pending
- Shirt Material: 67% Hydrophobic Non-Woven Fabric, 33% Spandex
- Heat Elements: Iron Powder, Water, Salt, Activated Charcoal, Vermiculite
- Choose your size: Medium, Large, X-Large
Simply take the UnderWarmer out of its packaging, and it begins to heat up, reaching temperatures up to 100 degrees Fahrenheit. No batteries required!
The shirts are tailored to have a compression fit, pressing the heat packs up against your body. Warming your core like this provides total body warmth, including your extremities. It's lightweight and won't weigh you down like bulky base layers or coats. You can wear it right up against your skin or over a regular shirt.
Stay warm for an entire day outside. Whether you're ice fishing, shoveling, sledding, hiking, hunting, or tailgating, keep warm in even negative digits.
Sizes:
Medium: Chest 35 - 39 Inches
Large: Chest 40 - 44 Inches
X-Large: Chest 45 - 49 Inches
Note: These compression shirts are designed to feel a little snug, making the heat packs more effective.
FEATURES and BENEFITS:
- 8 Air-Activated Heat Packs Reach up to 100 Degrees
- No Batteries Required
- Compression Fit
- Warms Entire Core, Front and Back
- Lasts 10-12 Hours Straight
- Lightweight for Active Use
- All-Day Warmth while Fishing, Hunting, Tailgating, and More
- Single Use Shirt
- Use as Base layer or Over an Undershirt
- Patent-Pending
- Shirt Material: 67% Hydrophobic Non-Woven Fabric, 33% Spandex
- Heat Elements: Iron Powder, Water, Salt, Activated Charcoal, Vermiculite
- Choose your size: Medium, Large, X-Large
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