The basic uniform consisted of a blue-grey single-breasted, open-collared jacket with four pockets and flaps, white shirt and black necktie, blue-grey trousers, black leather boots and a blue-grey peaked cap, side cap or Model 1935 Stahlhelm. Ranks were indicated by collar patches, along with Army-style shoulder boards. A number of various uniforms evolved in cut and design which were designated to cover any occasion Luftwaffe personnel would encounter. Among these were: