Forcefield BackPad Insert Pro for Dainese Jackets Level 2 Performance Soft and Flexible Comfortable non restrictive Breathable Lightweight Hi Tech Design Shapes are specifically cut to fit Dainese Jackets. Please see below chart for protector measurements Size Measurements Small (G1) 15 Height 9.5 Widest Point Medium (G2) 17 Height 9.75 Widest Point Note Some inserts will be all black while others will be black/yellow, though the construction is the same. (function() var cycle true ('table.sizechart tbody tr').each(function(row) classname (cycle !cycle) 'light' 'dark' row.addClassName(classname) ) )()