2012 The North Face Flux Power Stretch ¼ Zip: For those who live within and beyond the borders of civilization the Flux Power Stretch ¼ Zip fleece pullover from The North Face supplements your outdoor lifestyle with its form and function. With an Alpine Fit the tightweight and packable Summit Series Flux Power Stretch ¼ Zip befuddles cold conditions with its durable Polartec Power Stretch Fabric. Layer it under a waterproof shell for the utmost protection and comfort in harsh conditions.