Lululemon Fast and Free Running Vest

This running vest has the storage you need to keep distance run essentials, like hydration, gels, and your phone, close as you head from trailhead to tree line. Elasticated sternum straps keep the vest secure and snug as you run Front drop-in pockets fit two 500ml hydration flasks Back storage fits a 1.5L hydration bladder Strap on top of shoulder keeps your hydration hose in place Zippered and drop-in pockets for running essentials Diagonal, zippered chest pockets for your small items Reflective details Hydration flasks, bladder, and hose not included Chest Measurement: XS/S: 28''- 33''/ S/M: 34''- 38''/ M/L: 39''- 42'' / L/XL: 43''- 48'' There is no size tag or sticker inside but based on the measurements I think it’s the XS/S, please see all photos and measurements.