Simplicity 4599; ©1943: Girl's and Boy's Overalls and Jacket: The overalls have a top, suspenders, a convenient drop-seat back and pockets at the side front. The jacket of Style 1 is collarless. A three-button closing and welt pockets finish the jacket. Style 2 has a small round collar, welt pockets and is finished with a four-button closing. Either jacket may be lined.