The Men's Patagonia Heyes Peak Jacket is a light insulation piece for everyday wear. When moving out of summer, into fall, and even into the beginnings of winter, the 80g Thermore Ecodown 100% recycled polyester insulation provides warmth. The NetPlus recycled nylon ripstop shell is treated with a DWR, helping shed light rain or snow. Move comfortably between the seasons.