MATERIALS: 600D poly-natural fiber blend with polyurethane interior coating. Incredibly durable, water and stain resistant. INTERIOR: Cavernous interior for multi-use storage. ZIPPERS: YKK #10 Delrin molded. Superior rust and corrosion resistance. YKK #5 Delrin molded. Superior rust and corrosion resistance. CARRY HANDLES: Embroidered AKONA 2” wide handles wrap completely around the bag for full support. Secures with Velcro closure. Reinforced box stitching. SHOULDER STRAPS: Adjustable and removable. Contoured shoulder pad with dual texture for added comfort, strength and durability. ADDITIONAL POCKETS: Large pockets with locking D-ring accept optional AKONA regulator bag. Side fin pocket contains internal key clip. LUGGAGE TAG: AKONA molded design constructed of hardened rubber for increased durability. Accommodates business cards. SPECIAL FEATURES: AKONA molded zipper pulls and large perimeter zipper for easy compartment access. Two reinforced bottom wear-pads.