AONIJIE C9108 OUNERGY 10L Hydration Vest weighs only 195 grams, yet offers a large capacity in different pockets and layers of storage. Enough to carry 2L water bladder, 2x 500ml water flasks, bunch of energy gels, first aid kit, electronics, wind jacket, running poles, and other accessories if needed.
Material: CORDURA fabric, close-fitting breathable mesh, four sided elastic fabric
S/M: for chest circumference 78-90cm
M/L: for chest circumference 90-102cm
L/XL: for chest circumference 102-115cm
Package include: 1pc of C9108 hydration vest
Generally any 2L water bladder will fit in the vest, to be on safe side, please do the measurement of the water bladder and cross check with the size of the vest.