Sprat socks Sprat is a tiny, slim silver fish with a blueish-greenish back. Sprats are very common in the seas nearby Estonia. A sprat never comes close to the coast as it spends its whole life , who’s length can reach anywhere from hundreds of meters to even kilometres. We have a shiny Lurex thread to this Sprat sock in order to bring out the beauty and shine of the silver coloured sprats. Wear these with pride!