Versatile, comfy and weatherproof, our Blackfell 4 45L adventure backpack is meticulously engineered for outdoor enthusiasts. Crafted from high tenacity lightweight polyamide ripstop and lightweight abrasion-resistant polyester, this large hiking backpack ensures exceptional durability for rugged adventures. Featuring our advanced Ergovent and Adjustfit technology, the backpack offers a personalised fit and maximum comfort. The Tecfoam and StreamAir features enhance breathability during long hikes. The ISOFLEX fabric expands for additional storage, complemented by ISOFLEX expanding front and side pockets for easy access to essentials. Stay hydrated on the go with the internal hydration storage with a drinking tube retainer. If the rain makes an appearance, the durable water-repellent finish or detachable raincover ensures weather protection. Multiple adjustable, padded and ergonomic straps provide stability and support. Additional features include an emergency whistle and reflective de... The Blackfell 4 45L medium-sized backpack from Regatta is perfect for hikes. The lightweight but durable polyamide ripstop provides lasting wear and the water-repellent finish keeps your items safe. 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 medium 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 ERGOVENT ergonomic, ventilated carry system ADJUSTFIT adjustable carry system for a personalised fit TECFOAM performance comfort STREAMAIR ventilating channels ISOFLEX fabric for expanding storage ISOVENT performance Air Mesh Specifications: Dimensions: H:20.0 x W:27.0 x D:70.0 cm Weight: 1.4 kg Colour: Black Guarantee:1 year Material: Mian Fabric- 100% Polyester, Trim Fabric- 100% Polyamide Model Number: EU286 800000