Parachute Pad, Back, MK.?. Khaki duck cotton backpad with webbing straps to secure the harness. This model is for the seat type assembly but will also fit observer types and was removed from a scrapped harness. It is in good undamaged condition though a little soiled/grubby through normal use. It has never been labelled and the only marks appear to be commonwealth/inspection stamps. Stock code S22526.