Lightweight hydration backpack designed for comfort and performance during workouts Lightweight and comfortable: weighs 0.15 kg, designed to ride with you during exercise without hindering your performance Breathable and moisture managing: made from a nylon and polyester blend with a density mesh panel for ventilation and water absorption Easy access and organized storage: a spacious main compartment plus multiple pockets for water, tools, and essentials in a single, streamlined pack Safe night travel and outdoor use: reflective strips on the shoulders and back for visibility, a builtin whistle Durable, versatile design: compact and lightweight, built to stay close to the body and perform reliably across cycling, running, hiking, and daily activities Use scenarios Cycling and commuting: stay hydrated with quick access to water and keep essentials within easy reach on long rides Running and gym workouts: light and lowbulk, minimizes bounce and chafing while you train Hiking and outdoor trips: enhanced visibility at night, reliable water access Material and performance highlights Construction: nylon and polyester blend with density mesh for breathability Weight: 0.15 kg for a barelythere feel during activity Function: hydration on the move with organized storage and quickaccess pockets Safety: reflective strips on shoulders and back, builtin whistle