Nathan Trail Mix Plus 3.0 Hydration Running Belt with Flask, Insulated Bottle, Expandable Phone Pocket, Walking & Hiking Waist Pack

- Sizing & Fit: One-size design accommodates most runners comfortably across a wide range of waist sizes. - Product Philosophy: Nathan's running essentials emphasize thoughtful design and durable materials to help athletes perform better mile after mile. - Hydration Performance: The Trail Mix Plus 3.0 modernizes a classic bottle belt with upgraded materials and pocket configurations, including a redesigned holster for one-handed flask access and no-bounce technology to keep the pack stable. - Design Features: Large expandable front zip pocket fits most phones; exterior mesh pocket for quick storage; two shock cords with side tension locks and elastic keepers secure excess straps. - Specifications: Weight without flask: 8 oz; weight with flask: 10 oz; storage capacity: 0.5 L (30.5 cu in); designed as a lightweight running waist pack suitable for walking and hiking.