What Our Gearhead(R) Experts Are Saying:"This shirt is a trail runner's dream. The FLASHDRY-PRO(TM) fabric wicks sweat like a pro, and the bonded seams keep irritation at bay on those longer runs. It's lightweight, breathable, and fits perfectly for high-output activities."The Men's Summit Series High Trail Short-Sleeve is crafted to meet the demands of long miles and steep ascents. Designed with FLASHDRY-PRO(TM) fabric, it wicks moisture quickly to keep us dry and comfortable during high-output activities. The slim fit and split hem provide a sleek silhouette and freedom of movement, while underarm gussets ensure enhanced mobility on challenging trails. Bonded seams minimize irritation, so we can focus on the trail ahead without distractions. Lightweight and built for performance, this shirt is a must-have for trail runners and outdoor enthusiasts who push their limits.