TYR Big Mesh Mummy Backpack III - 40L Color:045 Char/Red Waterproof device transmits an audible

Waterproof device transmits an audible tempo beep to eliminate lulls in workouts and races

as well as a hook and loop side velcro pocket for small storage

Practice long swims without countless flip turns

Three easily exchangeable nose pieces

TYR Big Mesh Mummy Backpack III - 40L Color:045 Char/Red Waterproof device transmits an audibleUpdated with a 20% bigger design, the TYR Big Mesh Mummy Backpack is the perfect choice for hauling swim and workout gear. The LBMMB3 features a spacious main compartment for storage, small zip compartment and mesh venting for increased dry time and drainage. Over the shoulder straps allow for easy transport, while barrel lock closures provide quick and easy access to your gear. Lightweight and functional, this athletic backpack features a side zipper