DBI-SALA Reflective Yellow Delta Vest Harness* This Delta Work Vest Harness uses work vest with an integrated Delta II Harness for quick and simple donning. If you have a basic understanding of shirts and jackets you should be able to safely put this harness on. * The DBI SALA Yellow Work Vest is constructed with reflective tape to meet the ANSI ISEA and CSA class 1 and 2 standards for high visibility. This is the harness to be seen in! * An internal mesh lining keeps the harness in position