West ham united away shirt 2017 18 the hammers are back in black in the west ham united 2017 18 away shirt standing out on the clean black jersey is vibrant bluefish detailing that extends to the woven monochrome club crest on the back of the shirt is a union jack motif with the hammers text as a nod to the clubs history the lightweight shirt fabric includes body mapped ventilation panels on the back for targeted cooling details regular fit woven west ham crest and classic umbro d