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: PeakFill® Active Insulation, 50% Polyester, 50% Recycled Polyester, 40g/m2
- Stretch Relance™ Primeflex shell provides mobility and comfort: Relance™ Primeflex, 50 Denier Microfiber Mechanical Stretch Plainweave, 100% Polyester, 94g/m2 with a PFAS-Free DWR Finish
- 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
Find your fit: The following measurements correspond to body measurements, not garment measurements
| Chest | Waist | Hip | |
|---|---|---|---|
| S | 37 - 39” | 31 - 33” | 36.5 - 38.5” |
| M | 39 - 41” | 33 - 35” | 38.5 - 40.5” |
| L | 42 - 44” | 36 - 39” | 41.5 - 43.5” |
| XL | 45 - 48” | 40 - 43” | 43.5 - 46.5” |
| XXL | 49 - 52” | 45.5 - 48.5” | 46.5 - 50” |
