Proton Baselayer Shirt Women's

Adjustable warmth for cold-weather days.

Stylish warmth from base layer to outer layer. The Proton Heated Baselayer Shirt features a midweight printed knit design with a soft lining, flat stitching, and a 1/4 zip for easy ventilation.

Why it stands out

• In-seam thumbholes add a secure fit, while 3 heat zones deliver consistent core warmth.
• Whether layered under your winter gear or worn on its own, it's the perfect blend of comfort and performance.

Good for

Cold-weather commuting, outdoor work, camping, hiking, riding, and other activities where adjustable warmth is useful.

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