Our highly technical midweight base layer top with an innovative tubular merino knit and zone ventilation, the 200 Zone Seamless Long Sleeve Half Zip is incredibly breathable and stretchy for high-output pursuits.
Icebreaker Seamless - A seamless construction with targeted knit zones for support and breathability that stretches without friction
BodyFitZone™ - features breathable zones for high intensity activity
Thumb loops keep your sleeves in place and hands warm
Raglan sleeve construction for mobility
Flatlock seams to prevent friction