Spacious Main Compartment Whether you're using it for the gym or a trip across the globe, our backpack was built for organization. 45 Liters and overall size dimensions of 21 x 12.5 x 8" (fits carry-on bag size requirements) this bag has enough room for all your gym gear or to comfortably carry a weeks worth of clothing. Secure Integrated Belt Holding System Are you tired of trying to roll up your lifting belt and jam it into your bag? With our secure belt loops you can wrap your belt around the outside of your backpack to keep it conveniently accessible. Top Pocket Headphones Port Still rocking headphones with a cord? Don't worry about it getting tangled up & in your way, the port on the top Backpack pocket keeps them organized. Side Mesh Pocket Great for your water bottle and any items you need easily accessible. Durable Easy Release Buckles Our backpacks feature several buckles to ensure your items stay securely in place when you're on the go. They are durable but still easy to release. Side Zipper Pocket Great for those more valuable and personal items you want to have securely put away. TACTICAL BACKPACK: MADE FOR ADVENTURES Take it to the gym, traveling across to new or familiar places, hiking through any and all terrain, and anywhere else life takes you! Serious Steel Bag Comparison Tactical Backpack Utility Duffel Big Bud Duffel Bag Size Dimensions (H x W x D) 21" x 12.5" x 8" (45 Total Liters). Measurements are NOT at max capacity. Size Dimensions (H x W x D) 12 x 21 x 8.5" (44 Total Liters). Measurements are NOT at max capacity. Size Dimensions (H x W x D) 13" x 23" x 13" (63 Total Liters). Measurements are NOT at max capacity. Colors Available Black or Tan. Colors Available Black Only. Colors Available Black or OD Green. Shoe Compartments 1 Shoe compartment, located on the bottom of the Backpack. Shoe Compartments No Shoe compartments but is designed to fit several pairs. Shoe Compartments 2 Shoe Compartments, located on the side of the Duffel. Designated Laptop Compartment Located on the back of the Backpack, underneath the shoulder straps. Designated Laptop Compartment While there is no specific laptop compartment the Utility will fit most laptops. Designated Laptop Compartment While there is no specific laptop compartment the Duffel will fit most laptops. Additional Garment Bag? The Backpack does include an additional garment back to keep items organized. Additional Garment Bag? The Utility includes an updated additional garment back to keep items organized. Additional Garment Bag? The Big & Mid Buds do not include any additional garment bags.