From Merchant & Mills:
TN31 is a relaxed and versatile interpretation of the classic fishtail parka. Lined or unlined it can work for all seasons. It has side pockets, front welt pockets, a back vent and optional drawstring waist. All seam allowances are 1.5cm unless otherwise stated. Neck has 1cm seam allowance.
The hood option is available as a separate PDF available for purchase on the Merchant & Mills website. There are two options, you can either make a hood that is detachable with buttons or a hood that gets sewn in. This includes the pattern pieces and instructions for both options. Please note you have to already have the TN31 Parka pattern in order to make the hood, the PDF comprises just the additional pattern pieces with instructions for those parts.