LF07X Low Fluoro Violet Wax 180g S19 The High Innersole provides better 704162500105 The High Innersole provides better contact with the arch evening out those pressure points and creating a much more comfortable fit The BootDoc Mid innersole aids this by improving the foots contact with the boot thus improving power transfer at the same time as stabilizing and cushion the foot The Swix Low Fluoro Violet Wax or LF07X is a great middle wax between the hydrocarbon and high fluoro waxes as it has a higher fluoro content than the hydrocarbon waxes but is much cheaper than the high fluoro waxes When used as a prep wax LF07X is an ideal base for HF08X or HF10X