Patagonia Nano Puff Hoodie Wear as an outer layer in milder temperatures or as a mid layer in cold weather conditions PrimaLoft Gold insulation is compressible, breathable, and offers superior water repellency so you remain dry, warm, and comfortable even under the most extreme conditions. Regular fit is relaxed - not too tight, not too loose. Two zip hand warmer pockets and one interior zip pocket. Jacket can be packed in the interior zip pocket for easy portability.