The Grundens Forecast Insulated Jacket is specially crafted to provide superior warmth with less bulk than regular synthetic insulation. It’s an ideal outerwear choice when the weather turns chilly, thanks to its advanced technical features and PrimaLoft Insulation. This innovative insulation offers a better alternative to natural down, as it maintains warmth even when wet and doesn’t absorb much water. This means you’ll stay warm and cozy, conserving your body heat, regardless of the weather conditions.