The Athletico mesh dive duffel is a shoulder-and-hand-carry bag for scuba or snorkeling equipment. Its long shape gives fins and other bulky pieces space, while open mesh allows wet equipment to drain. This is the duffel format, so choose Athletico's backpack separately if two shoulder straps are what you need.
Compare the listed dimensions with your own fins before ordering. Consider how far you'll carry the loaded kit and whether the shoulder strap sits comfortably across your chest. Volume and a large opening are useful, but neither makes a heavy bag easier to lift.
Use separate cases for your mask and sensitive instruments, and keep phones or travel documents in waterproof storage. Mesh exposes the contents to spray and knocks. Rinse the empty bag after saltwater use, inspect straps and stitching, and unpack gear to dry completely before storing it between trips.
Compare dive accessories at FGSS.