Big Head Reaper Men's Costume. This brilliant men's Big Head Reaper Costume is a must-have for Halloween! It comes complete with a Tunic and Headpiece. The sleeves of the tunic have a layered red and black jagged edging and the outfit is finished off with an over-sized big head mask which has a skeleton printed lower half and a mesh postbox peep hole across the top. Nail Halloween this year as the Grim Reaper.