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About this item

• Zero-Bounce Hydration - Includes a 500ml (17oz) BPA - and PVC -free soft flask with a bite valve for hands-free sipping. The flask compresses as you drink and secures with a drawstring system to eliminate sloshing and rattling—delivering stable, uninterrupted pacing for training runs, marathons, and every mile in between
• 8 Strategic Pockets - Keep all essentials within easy reach. Features 8 multifunctional pockets (6 front, 2 large mesh back) providing ample room for energy gels, keys, and hydration. The high-elasticity zippered front pocket keeps your smartphone secure, stable, and completely bounce-free, letting you focus entirely on your run
• Featherlight Breathability & 360° Reflective Safety - Weighing just 7.4 oz, this moisture-wicking Oiuyos hydration vest features triple-sized ventilation holes for accelerated air circulation and all-day comfort. Front and back reflective detailing ensures maximum 360° visibility during early morning or evening runs when safety matters most
• Chafe-Free Custom Fit - Crafted from smart, flexible neoprene, the Oiuyos unisex vest naturally moves with your body. Fully adjustable chest straps completely eliminate bouncing and chafing, delivering a secure, distraction-free run—whether on demanding trails or quick dawn jogs. Available in 3 specific sizes: XS/S (24"-36"), M/L (28"-42"), and L/XL (36"-52")
• The Perfect Running Companion -Every mile has a story. This vest is designed for breathability and comfort, whether for marathons or leisurely jogs. It’s a thoughtful gift for any outdoor enthusiast who values functionality and style. A reliable partner for your personal training and a perfect gift for the runners in your life

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