View cart “OMP Black Long John-FIA” 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 Zero Noise-Intrepid Amplifier by OMP $532.00 Go Gear SFI Under Wear Black $215.00 OMP Black Long Sleeve Zero Noise Valiant Amplifier by OMP $95.00