The Belgium flag socks are three-colour black yellow and red equal-sized vertical bands. The colours were taken from the coat of arms of the Duchy of Brabant. Crew Socks: Get ready to jump, run, ride, play and be epic with Sox Footwear’s premium crew-socks. Gone are the days of wearing the same old-school cotton socks built for comfort and not performance. Sox Footwear's new technology enhances your sock game, with breathable upper mesh, reinforced heel and toe, and soft PolyLon36 material that makes you feel like you’re walking on air. Flags Of The World Range: Explore some of our nearest nations with our sock collection.