EXTRA STRETCHY NEOPRENE AND EXTRA THIN CONSTRUCTION >THE THINNEST PFD BACKING ON THE MARKET FOR THE BEST TACKING AND GYBING LOW PROFILE AND WIDE OPENINGS >DESIGNED TO GUARANTEE EXCELLENT FREEDOM OF MOVEMENT HARNESS LOOP >TO AVOID THE USUAL CLIMBS OF SOME PFD`S 2 EASY ACCESS POCKETS IN DIFFERENT DIMENSIONS >1 LARGE 3D STRETCH ZIP. 1 SHOULDER