Outdoorsmen actually used to wear a scratchy wool baselayer intentionally, to stimulate circulation. We're not into that. Paradise is ultrasoft, highly breathable and moves with you just about as easily as another layer of skin. It lives up to its name - nothing's softer or performs better against your skin. Of course it's also moisture-wicking, quick-drying and, for the sake of your tent mates, resistant to odors (no offense). The quarter zip offers excellent venting and a higher neck for cool weather. Machine wash. Precision layering. "This baselayer is so fitted and so silky, I forget it's there. It becomes part of you." - Melissa Arnot