You know about the coefficient of friction, but have you heard about the coefficient of comfort’ Get blown away by the Black Diamond Men’s CoEfficient Pant. This freakishly fabulous fleece pant functions as a midlayer when temps bottom out and doesn’t fear going it alone for a late fall trail run. Polartec feels sweet against your skin so no one would blame you for wearing this pant while you’re watching football on a Sunday evening. The efficiency element appears as this fleece pant moves moisture away from your legs, keeps heat in, and dries wicked fast. Worn alone or under a shell, the CoEfficient pant will keep your legs warm and dry for seasons to come.