The Vertical short-sleeve shirt has been specially developed for high-intensity, sweat-inducing activities on the mountain and is perfectly suited for steep mountain running and hot temperatures thanks to its extremely airy Micro-Mesh fabric. The shirt at only 100 grams has been made with flat seams for the highest comfort. WIth its quick-drying materials and odor-resistant fabric, mountain and trail runners can keep the shirt on until the entire run is over.