The North Face ThermoBall Duo Jacket. Designed to eliminate cold spots and ultimately keep you warmer on the trail without adding weight, this ultralight jacket features two-layer ThermoBall™ insulation. Round Thermoball™ powered by PrimaLoft® clusters trap and retain heat to achieve phenomenal warmth in cold and wet conditions. Finished with ample additional insulation (100 g) through the water-resistant nylon ripstop neck, shoulders and outer sleeves.
Designed to eliminate cold spots and ultimately keep you warmer on the trail without adding weight
Jacket combines two offset layers of ThermoBall insulation to eliminate cold spots
ThermoBall™ offers the lightweight loft, warmth and compressibility of down with the wet-weather insulating performance of synthetics.
15D nylon ripstop with double-layer ThermoBall insulation through torso
Water-resistant overlay on hood, shoulders and tops of arms
100 g PrimaLoft Silver Eco Insulation at shoulders and tops of arms
Attached, fully adjustable hood
Center front zip
Secure-zip side pockets
Internal cuff gaiter
Fabric: 15D 100% Nylon ripstop with Kiss Coat overlay on shoulders and arms
Insulation: ThermoBall synthetic insulation, offset baffle double-layer construction