The North Face Women's ThermoBall Vest is an insulated vest for chilly, damp outdoor adventures. As fall begins to dissipate a long sleeve base layer soon won't be enough, so throw on a vest to warm the core and the heat will seep towards your extremities. PrimaLoft® ThermoBall™ is a super-neat synthetic insulation, which mimics down by not only keeping you warm, but compressing down pretty darn small. The mimic stops there however, as it has the ability to resist moisture, keeping you warm even if it gets wet. Stow it in its pocket when not in use and you'll barely notice it in your pack. You'll be thankful you have it once you slip it on over your base layer, or even wear it under your hardshell for an extra boost of warmth.
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