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
Sourcing & manufacturing: WSI identifies this product as Made in USA. WSI designs, cuts and sews its apparel at its factory in Eagan, Minnesota. WSI states that the majority of its fabrics and yarns originate in the United States, with certain components imported when necessary.
