The Underwarmer Single-Use Heated Undershirt (Large)

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-The UnderWarmer® uses air-activated heat technology strategically integrated into a compression fitted shirt.
-This single-use undershirt heats to over 100°F/38°C lasting up to 12 hours
-The UnderWarmer® is designed to wear directly against your skin or over an undershirt.
-The compression fit will keep its heat elements tight against your body
-Fits men & women