Our running hydration vest is a versatile backpack designed for daily use, travel, outdoor activities, and errands. Key benefits Balanced size for comfortable wear: provides a practical weight and bulk level while holding a sufficient amount of water. Hydration focused: built as a water running vest to support sport activities with a functional way to carry essentials. Large capacity for more on the go: enables you to carry more items while running. 23 use scenarios Long runs and trail training: stay hydrated and carry essentials without sacrificing comfort. Daily activities and travel: hands carry for commuting, sightseeing, or quick trips, with easy access to water. Outdoor recreation: for hiking, cycling, or outdoor excursions where you need to bring snacks, keys, phone, and other small items. Attributes at a glance Function: hydration vest designed to carry water and running essentials in a compact vest form. Compatibility: suitable for men, women, and youth. Size: proper size balances weight and bulk while providing large capacity for hydration needs. Material: material details are not specified in the provided description. Performance: engineered to support running and outdoor activities by enabling higher carry capacity without excessive bulk.