Therafin Therafit - Stretch Chest Strap (2-Piece with 2 Sewn Straps) is a 2-piece strap with two sewn straps, hook and loop center release and a webbing pull loop. TheraFit Chest Strap padded area dimensions are: SM (3"x16"), MED (4"x20"), LG (4"x24"). Length: SM (44"), MED (52"), LG (60")