We turn to the Ducan FL 1/2-Zip T-Shirt when warm conditions and steady effort call for a layer that can keep up. Mammut’s recycled polyester knit breathes easily as we climb through switchbacks or push the pace on rolling terrain, and the HeiQ Fresh treatment helps the shirt stay fresher during long days outside. The lightweight build feels smooth against the skin, giving us the confidence to move without distraction. When heat builds, the half-length zipper becomes essential, opening quickly for airflow on climbs or during high-output bursts. Fast-drying fibers manage moisture efficiently, helping us stay comfortable as temperatures swing. Designed for warm-weather hiking and fast adventures, the Ducan FL 1/2-Zip T-Shirt feels as ready for everyday training as it does for sun-soaked trail missions.
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Available Colors: Tschiel
Size Reference for Mammut T-Shirt Tschiel XL
Available Sizes: X-Large
