In the heart of mountain or forest adventures, the Nano-Air Light Vest for men from Patagonia becomes your thermal ally. This insulating vest is designed for outdoor enthusiasts seeking performance and comfort. With its advanced FullRange™ insulation technology and remarkable lightness, it keeps you warm while adapting to your level of effort. Experience expert protection while respecting the environment with the Nano-Air Light Vest for men from Patagonia. Stretch and breathable material without PFCs FullRange™ insulation 100% polyester (93% recycled) 40 g/m² Optimal mobility Pockets Low bulk Fair Trade Certified Weight 170 g Patagonia Nano-Air Light Vest - Synthetic vest - Men's | Hardloop