Janie and Jack Kids Apparel Casual and cool, the Janie and Jack(R) Herringbone Joggers are perfect for an everyday casual look. The pull-on style joggers have a comfortable elasticized waistband with functional drawstring closure. The double-knit joggers have front and back pockets that offer storage space for utmost convenience. 94% cotton, 5% polyester, 1% spandex herringbone. Machine washable.