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. It's also moisture-wicking, quick-drying and odor-resistant. Wear the boy shorts under your softshell or trekking pants as an alternative to cotton underwear (less chafing). Ultra-comfortable, clean-finished waist. Machine wash.