Details. The Bronx Track Shorts are sporty track shorts, available in blue. The shorts feature striking tape detail along the side seams, with our iconic 'Restless Energy' motif embroidered on the hip side. They feature two zip pockets at the sides and one at the back. Pair with The Bronx Track Top for a laid-back look. Fabric & Care. Fabric content: 50% Polyester, 42% Cotton, 8% Elastane