OnePiece Running Vest with Phone Holder — 7 Pockets for Organized, Bounce Runs Key benefits Carry everything you need without bulk: seven dedicated pockets keep phone, bottle, keys, and snacks organized so you can focus on training. Stable, comfortable fit: adjustable chest straps and side belts secure the vest for a bounce ride or run, ideal for long distances. Stay visible and safe: reflective strips front and back, an integrated headlamp with SOS mode, and an emergency whistle increase safety in low light. What it does Phone storage: front mobile phone pouch measures 16 cm x 7.6 cm and fits phones up to 6.1'. Hydrationready: three back pockets include a compartment designed to hold a 2 L hydration bladder (bladder not included). Bottle and quickaccess storage: four front pockets include an elasticated water bottle pocket plus additional slots for gels, energy bars, or small gear. Fit and compatibility Unisex design fits chest sizes 31.5' to 58.27' (80–148 cm). Adjustable chest straps and side belts let you fit for running, cycling, or hiking with minimal movement. Materials and weight Lightweight at 240 g; constructed from durable nylon with breathable mesh panels to improve airflow and reduce overheating during workouts. Safety and visibility Reflective strips on front and back increase visibility from multiple angles. Builtin headlamp with SOS mode provides hands lighting options. Emergency safety whistle located on the chest strap for quick signaling. Practical details and care Total pockets: 7 (4 front, 3 back). Phone pocket size: 16 cm x 7.6 cm (fits phones up to 6.1'). Hydration compartment accommodates a 2 L bladder (not included). Edge reinforcement: product uses upgraded fabric reinforcement along the edges. For the first few uses, wear clothing that covers your shoulders and neck. Washing the vest with fabric softener can help soften the edges and reduce initial chafing. Use scenarios Marathon training: Keep your phone, gels, spare socks, and a 2 L bladder organized and secure for long runs without bounce. Trail running and ultrarunning: Carry essential gear, a headlamp with SOS mode, and an emergency whistle for earlymorning or lowlight sections. Cycling or day hikes: Use the hydration compartment and multiple pockets to separate tools, snacks, and items while maintaining a slim profile. Why choose this vest Designed to balance storage, stability, and breathability without adding unnecessary weight. Unisex sizing and multiple adjustment points deliver a secure fit for a wide range of body types. Safety features are integrated rather than bolted on, keeping hands and essentials accessible. Sizing and fit tips Measure chest circumference and compare to 31.5'–58.27' (80–148 cm) range. Adjust chest straps first, then side belts, to achieve a snug, bounce fit. If edges feel stiff, wear a shirt with shoulder coverage initially and launder with fabric softener as recommended. What's not included 2 L hydration bladder is not included and must be purchased separately.