Whats the number one thing you look for in a daily layer? Comfort, right? Good news: the Prana Ronnie Crew II layer for men is all about the feel-good factor. Made from soft and responsible organic cotton, it feels great on your skin under a sweater or jacket.But it also looks sweet if you are wearing it solo, thanks to the heathered fabric that adds a little dimension, taking it up a notch from your regular long-sleeve layer.