Stio Fernos Insulated Vest

Winter runs, fitness skins, or Nordic loops are all part of the adventure with the Fernos Vest, known for its warmth, breathability, and impressive aerobic performance. At the heart of this vest’s ability to keep wearers cozy is the 40-gram PeakFill™ Active Insulation. This innovative synthetic fill is not only highly breathable but also quick to recover, thanks to its spiral filament design.What makes the Fernos Vest particularly appealing is how easily it compresses into small spaces, making it a perfect companion for a ski pack or running vest. When needed, it lofts back up quickly, providing essential warmth whether you're at treeline, on a ridgeline, or taking a well-deserved rest.Its mechanical stretch and seamless side construction enhance mobility, reducing any annoying friction that can come with layering. Plus, there's a single zip chest pocket to securely hold a wallet and keys, ensuring that essentials are always within reach. A rear drop tail and a reverse coil YKK® zipper