International Standard Version They made the breast piece square when folded double: one span in length and one span in width when folded double.
American Standard Version It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being double.
Young's Literal Translation it hath been square; double they have made the breastplate, a span its length, and a span its breadth, doubled.