The next generation of game-changers get a head start with this children's Barcelona 2017/18 Home Kit from Nike. Dri-FIT fabric wicks sweat from their skin, keeping them cool and dry, with an elastic waist to the shorts so they stay in place. Hard-wearing socks target areas of the foot that need comfort most, while Barca team crest finishes up the look in iconic style.. Material: 100% Polyester. Socks: 71% Nylon/26% Polyester/3% Elastane.