Women’s North Face L2 Power Grid Hoodie Jacket New. Women’s The North Face. L2 Power Grid Lightweight Hoodie. Polartec Power Grid fleece for an unparalleled warmth-to-weight ratio, and the ultimate balance between protection, movement-ready stretch, and breathable comfort. Polartec® Power Grid fleece provides an unparalleled warmth-to-weight ratio and offers incredible stretch. No shoulder seams for …