The FlashFlow LR offers comfortable and stable lumbar hydration for walking or running. The 1.5 litre Lumbar Antidote Reservoir keeps you hydrated and gives you a lower centre of gravity for extra stability and surer footing, while the internal compression straps compress the reservoir as your liquids go down to avoid the water sloshing around. There is also enough room to carry a map, snacks, your wallet and keys and an ultralight layer. Reflectivity adds to safety in low light conditions. Air mesh back panel has a soft feel and provides a comfortable carry Centre cinch fit system belt allows your to compress your FlashFlo LR as the liquid levels reduce to keep the weight close to your back 38mm webbing belt Essentials pocket Cargo capacity designed to carry your map, keys, wallet, phone, snacks and ultralight layer Front and back reflectivity for safety in low light conditions Antidote Lumbar Reservoir holds water on your hips for superior stability