Our daily activities in the summer could include anything from long runs on the trail to a lazy afternoon of river fishing and when we've got the Patagonia Capilene Cool Daily Shirt on we know it'll handle all of it with breathable comfort. A new twist on Patagonia's trusted Capilene baselayers Capilene Cool technology offers summer-specific performance that keeps you dry and cool during any activity in hot weather. Add on a stretchy and mobile construction for uninhibited mobility and a special wicking-enhancing treatment and this shirt is sure to be the first one you grab when you're heading out into the blazing heat.