About This nylon Imported Available In 3 Options: ① running vest only, ② hydration backpack with a 500ml soft flask, ③ Hydration vest with a 1.5L water bladder; Please confirm your selected option before purchase to match your hydration needs Ultra-Light & Breathable: Weighs under 6.7 oz / 190g for long-distance comfort; Wide mesh shoulder straps and ventilated back panel keep you cool and dry, perfect for summer trail runs or endurance rides 8 Pockets for Easy Access: Front pockets hold phone (up to 6.1 inches), keys, soft flasks, and energy gels; Rear compartment fits a 1.5L bladder or lightweight jacket; Hose loops help keep the hydration tube stable while moving Secure & Adjustable Fit: Sliding sternum strap, front buckle, and adjustable chest and waist straps provide a secure fit for different body types (chest approx. 26"–51"); Designed to keep the runner vest close to your body and reduce bouncing during movement Versatile Outdoor Use: Perfect for trail running, marathon training, hiking, cycling, and outdoor workouts; Reflective strips improve visibility in low-light conditions, making it a practical choice for early morning or evening activities; Machine washable (laundry bag recommended) Overview Brand : TRIWONDER Color : 01 Rose Red - with a 500ml Water Bottle Material : Polyester Net + Nylon Elastic Fabric Sport : Running Item Weight : 190 Grams