- Thermal Hydration System: Stay hydrated on the go with a 3L water bladder compartment (water bladder not included) featuring an insulated lining to maintain the temperature of your drinks. The detachable and adjustable hose clamp on the shoulder strap offers personalized convenience for easy access. - Ample Storage Space: This backpack includes a spacious 15L main compartment, dual front pockets, side mesh pockets, waist pouches, and a helmet buckle, providing plenty of room for all your outdoor essentials. Ideal for hiking, biking, or day trips, you can keep everything organized and within reach. - Breathable Comfort: Designed for maximum comfort, the backpack features ergonomic padded shoulder straps, ventilated back support, and sponge cushioning to reduce shoulder strain. The widened straps and adjustable chest buckle ensure stability and balanced weight distribution, making it comfortable for long hours of wear. - Durable Waterproof Fabric: Weighing only 0.5kg, the backpack is made from high-quality nylon fabric that resists tears, scratches, and abrasions. Its waterproof exterior protects your belongings from rain and moisture, ensuring your gear stays dry in unpredictable weather. Use it for outdoor adventures like hiking, cycling, or camping, where hydration and storage are crucial. Perfect for daily commutes or weekend getaways, this backpack combines functionality with comfort for any activity.