NEWBOLER breathing hydration vest training running backpack lightweight cycling running marathon on back climbing bag

1. Comfortable and well-ventilated system: The back part of the running jacket is made of breathable mesh fabric, keeping you refreshed and comfortable, preventing overheating, and making you feel refreshed while running. 2. Reflective safety strip: The running jacket is designed with reflective strips on the front and back to improve visibility and safety during night running or in low-light conditions. 3. Lightweight design: This jacket weighs only 196 grams, lighter than smartphones, reducing weight and allowing you to focus on your performance without adding extra weight. 4. Multiple storage pockets: The backpack is equipped with multiple compartments for easy and organized packing, making it easy to access essentials and store while running. Backpack specifications main materials: polyester color: black net weight: approximately 196 grams specifications: BOT220 materials: TPU color: blue capacity: 250 ml/500 ml (optional) water temperature: 0-40 °C