Men's Tri Thermal Threads Overshirt

prAna Tri Thermal Threads Overshirt -- What happens when next-level insulation gets a healthy dose of stylish inspiration? Give the Tri Thermal Threads Overshirt a try, and you’ll quickly find out. Start with Polartec® Thermal Pro® fabric, an advanced fleece technology that delivers a hefty dose of warmth, without the weight. Outside the outer shell, a densely knitted yarn creates a classic vibe. While inside, soft lining adds an extra layer of coziness.