Olivia Wilde’s Sundance Film Festival outfit is a masterclass in high mountain fashion and it’s already one of the most requested looks from the weekend. She wore a sleek leather trench paired with gold metal sunglasses while attending Sundance, calling it her high mountain look and honestly it could not be more spot on. Polished, practical, and effortlessly cool in cold mountain conditions. This is the kind of celebrity winter style that always trends. Timeless leather outerwear, minimalist gol