Vertx Commuter Gen 3, Sling Bag, Heather Medium Gray, Outside Dimensions: 20.5H x 12W x 8D, CCW Compartment dimensions: 19.5H x 11W x 2.5D, 45 Liters, Nylon 5012-HMG Rapid-access and rifle-ready" the Commuter is up for whatever the day throws your way. The Commuter's hands-free sling design makes this pack the perfect option for on-the-go and active applications.