Sport-Tek® Rival Cinch Pack. BST600 A tonal graphic print gives this cinch pack distinctive character, while front and interior pockets help keep small items organized. � 100% polyester � Exterior full-size pouch pocket � Interior pocket with hook and loop closure � Black drawcord closure allows this bag to double as a backpack � Bottom grommets � Dimensions: 17.5h x 13.75w