What Our Gearhead(R) Experts Are Saying:"I grab this tank for the hottest days-it's insanely lightweight and dries faster than almost anything I own. The fabric feels soft, not slick, and it never clings when I'm working hard. Perfect for training runs or any warm-weather hike."Bright trail mornings and warm afternoon climbs feel easier in the Patagonia Cap Cool Ultra Tank Top. Made with a textured recycled polyester knit, it provides featherlight softness while helping moisture move off the skin quickly. The airy construction keeps us comfortable through long, sunny efforts-whether we're cruising through rolling terrain, running local trails, or exploring somewhere new on foot. miDori(TM) bioSoft enhances the fabric's wicking and softness, while HeiQ(R) Mint odor control helps keep things fresh during back-to-back outings. The clean silhouette layers easily under a sun shirt yet stands on its own for maximum airflow on hot days. For fast movement and warm weather, the Cap Cool Ultra Tank Top brings simple, breathable functionality we can rely on from start to finish.