Lightweight running vest in breathable nylon, mesh, and durable ripstop fabric with reflective details. Open front, elasticized adjustable cord fasteners at front with cord lock, and small ventilation holes at upper back. Chest pockets for water bottles, front pockets with elasticized openings, with one front pocket featuring a small upper pocket with zipper, and a pocket at back of hem with zipper. Elasticated straps at front for a hydration system, elasticized loops at front of hem for attaching a race bib, and mesh lining.