STX Boys' Little Boys' Tricot Mock Neck Jacket and Matching Jog Pant, Black/Turquoise, 5/6 Go to amazon.com Related posts 16 best tracksuit boys FeatureMock neck provides extra warmth in wind and coldSplit kangaroo pocketsElastic waistbandRib knit cuffsBranded DescriptionKeep warm and look cool in a tricot sport set that will make you shine