The Stio Men's Fernos Insulated Vest is a lightweight, breathable layer designed to provide core warmth during active outdoor pursuits. Its 40-gram PeakFill® Active synthetic insulation offers warmth, stretch, quick recovery, and breathability, while the mechanical-stretch Relance™ Primeflex shell provides comfortable mobility and a water-repellent finish. The streamlined design packs easily and includes practical pockets for everyday wear, hiking, skiing, and other cold-weather activities.
- 40g PeakFill® Active synthetic insulation balances warmth and breathability
- Stretch Relance™ Primeflex shell provides mobility and comfort
- PFAS-free water-repellent finish helps resist light moisture
- Zippered chest and handwarmer pockets secure everyday essentials
- Lightweight 10-ounce design packs easily for active layering
