View cart “Zero Noise Valiant Amplifier by OMP” has been added to your cart. OMP FIA Sock Categories: OMP, Underwear Description Description . FIA socks. Colour: cream/black . 3 Sizes: S/M/L. *prices on the website are subject to change * Related products OMP Road 4M Harness 2″ shoulder straps $205.00 Go Gear SFI Under Wear Black $215.00 Harness Cutter $26.25 3″ Wide Harness Pads $58.00