The Blackfell 4 65L large backpack from Regatta is perfect for weekend hikes. The lightweight but durable polyamide ripstop provides lasting wear and the water-repellent finish keeps your items safe. The extra large rucksack comes with Isoflex fabric that expands for additional storage. There's multiple pockets providing convenient access to all your essentials. The Tecfoam padding and air mesh fabric and ventilating channels enhance breathability to keep you fresh on the go. You'll easily stay hydrated with the convenient internal hydration storage pocket with a drinking tube retainer. The adjustable chest strap, side compression straps and low-ergonomic shoulder straps ensure a comfortable fit. The integrated emergency whistle and reflective details keep you safe. The large hiking rucksack is finished with walking pole loops and there's a detachable raincover for extra protection. Features: High tenacity lightweight 210d polymide ripstop  600D lightweight abrasion resistant polyester