Helly Hansen H1 Pro Graphene Performance Base Layer

Stay warm and dry on any adventure with the Helly Hansen H1 Pro Seamless Graphene Long Sleeve Thermal Base Layer for Men in navy. This lightweight, breathable fabric features advanced graphene technology to wick moisture, regulate temperature, and reduce bulk while offering a sleek, seamless fit that moves with you. Perfect for high‑intensity outdoor activities or layering under your favorite gear.

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