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Our innovative HEATR® line is integrated with a proprietary fiber built deep within the fabric of the clothing. As your body comes into contact with the sportswear the fabric will expand, causing the fiber to heat up. This will make you feel so warm that you'll want to cut your layering in half! When you are equipped with our comfortable, lightweight HEATR® gear, know we've got your back! As well as the rest of your body for that matter! WSI's warmest base layer shirt Warmest: Ideal for temperatures of -20° to 50° HEATR® fabric is located throughout the entire lining of the shirt. Features a full zip, sleeve pocket, and thumb holes Proudly Made in USA Care Instructions: Machine wash cold, gentle cycle, with like colors Line Dry
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$159.00