Training Companion This lightweight 0.14 kg hydration backpack provides comfort for training sessions without compromising workout efficiency. Breathable design Made from a nylon and polyester blend with density mesh to improve breathability and waterwicking performance, helping you stay refreshed during any activity. Efficient hydration storage Large main compartment with ample pockets and organized space for all musthaves in this cycling water backpack. visibility and safety Safety reflective strips on shoulders and back, plus a whistle and survival accessories for safe night journeys. Key specifications Weight: 0.14 kg Materials: nylon and polyester Storage: large main compartment with multiple pockets Comfort and safety: density mesh, reflective strips, whistle, survival accessories Use scenarios Cycling training and endurance sessions where quick hydration and organized storage matter Outdoor workouts or commutes requiring compact, breathable gear with accessible hydration Hiking or night activities where visibility and safety features (reflective strips and whistle) enhance safety