Stio Men's Fernos Insulated Vest
- Sun & Ski Sports$199Buy
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From Sun & Ski Sports
The Fernos Insulated Vest is built for winter cardio, mountain missions, and active cold-weather pursuits where core warmth and breathability matter most. With lightweight yet powerful PeakFill Active Insulation, this vest traps heat without sacrificing airflow, keeping you warm during movement and regulating temperature through changing conditions. Its Relance Primeflex shell offers mechanical stretch and soft comfort, while the seamless side construction reduces bulk and friction when layering. Designed to move with you and pack away when needed, it compresses easily into a pack and springs back into action when the chill returns.