Torchwood Captain Jack Harkness Dark Blue Wool Coat Cosplay CostumeIncluding: Heavy Long Trench Coat Fabric: cashmere, Wool The coat is a long, double breasted trench coat made from a wool blend fabric. It has a peak lapel collar, button closure down the front, and multiple pockets. The coat is a dark blue or black color, although there have been variations in the shade throughout the Doctor's twelve regenerations. .