EXPANDABILITY: the side panels of the main compartment are made from stretch material
TRIANGULATION: the upper side webbing attaches to the back of the pack naturally pulling the load towards the runner's back
Noteworthy SUB90 features:
BALANCE: between the 5L storage compartments in the back and the 4 front pockets for spot hydration
typical of most loaded running vests made from stretchy fabric
Sub90 - Hydro Running Pack - Emerald Blue reservoir EXPANDABILITY: the side panels ofFITLY SUB90 Hydro Running Pack is designed to run a little farther. Slightly roomier than the SUB45. A clever hydration system, a low profile soft flask integrated into a thermo pocket to keep liquids cooler longer, the SUB90 is ideal to carry your phone, keys, cards, and hydrate when going for a longer run, hike, bike adventure The Thoracic Belt System, a Patent Pending World Premiere, has the perfect stretch to fit snugly and keep all items from