Description: 【Light material】: Hydration Vest is made of light polyester fiber, which is almost weightless, ensuring that you can wear it for a long time without any burden, making your outdoor activities more enjoyable and easy 【Multifunctional pocket design】: Running Vest is equipped with multiple zipper pockets, allowing you to easily store necessities such as mobile phones, keys, wallets and energy supplies. It can meet all your storage needs in various sports activities 【Breathable and comfortable】: Water Pack is made of breathable mesh to ensure that stay dry even during high intensity workouts 【Fashionable and versatile appearance】: Hydration Vest adopts a simple and stylish design, which can be match with various sportswear, showing your unique styles while being practical 【Suitable for various sports】: Whether you are running, hiking, cycling or climbing, Water Backpack can adapt to any activity and is an ideal companion for all your outdoor Specification: Material:Polyester Size Chart:Shoulder width 35.5cm/13.98inch, chest 105cm/41.34inch, back center length 52cm/20.47inch Package Includes: 1 Hydration Vest Note: Please allow slightly errors due to manual measurement and different monitors.