The Men’s SHIFTER Pant by Icebreaker is a comfortable cold-weather training pant designed for running in cold weather or gym workouts. Nylon threads wrapped in merino ensure comfort and durability. The pant is so cozy, breathable and soft you’ll want to wear it lounging around the house or days off. And why not? An elastic waist, inner adjust drawcords, hand pockets and tapered legs have style and function for everyday use.