Patagonia Men's Nano Puff Vest - latest model -windproof light insulated synthetic vest Size:Small Part of a coordinated system

Part of a coordinated system for optimized packing

where you might not be able to get complete penetration

FINE-TUNED FITFit-on-the-Fly® harness and hipbelt make for improved comfort and a fine-tuned fit

Waterproof-coated fabric and seams

Patagonia Men's Nano Puff Vest - latest model -windproof light insulated synthetic vest Size:Small Part of a coordinated systemWarm, windproof and water resistantthe updated Patagonia Men's Nano Puff Vest uses warm, incredibly lightweight and highly compressible 60 g PrimaLoft Gold Insulation Eco with 55% post consumer recycled content, wrapped in a 100% recycled polyester shell and liner. Sometimes shiverproof protection comes in small packageslike Patagonia's Nano Puff Vest. It punches above its weight, trapping your heat with 60 g PrimaLoft Gold Insulation Econow with 55%