PrimaLoft® ThermoBall™ insulation • Round bunches of PrimaLoft synthetic insulation are designed to mimic the high warmth and low loft of natural down clusters. • Breathable, water-resistant design improves passage of moisture vapor from perspiration without taking on extra weight. • Lightweight and highly compressible for easy packing. • Synthetic fibers retain insulating properties even when wet. • Independently CLO-tested to imitate 600 fill-power insulation. • 9.5 g/m² fabric weight through body. • 15 g/m² fabric weight through collar.
Highly compressible design is packable into the hand pocket.
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The North Face ThermoBall™ Full Zip Jacket CZNJKYY