Men’s North Face Summit Series L2 Powergrid Light (Proprius) Fleece Hoodie Hooded Jacket. Polartec® Power Grid fleece provides an unparalleled warmth-to-weight ratio and offers incredible stretch. No shoulder seams for comfort with a pack. Exposed, reverse-coil center front and chest pocket zips. Small mesh pocket incorporated into chest pocket. Thumb loops at cuffs finished with …