Patagonia Nano Puff Hoodie Forge Grey Ever expanding their range of jackets Patagonia have brought us the Nano Puff Hoodie, a lightweight & insulated jacket suitable for cold weather. The jacket is made using a lightweight ripstop recycled polyester shell fabric & has a DWR (durable water repellent) finish, the insulation is compressible 60-g Prima Loft Gold & will keep you warm even on the coldest of days. Features include zippered hand warmer pockets one of which doubles as a stuff sack, draw cordadjustable hem & embroidered Patagonia patch to the patch. Hand warmer pockets Prima Loft insulation DWR coating Polyester shell Description by Adam.