The Blackfell 4 15L small 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 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, while the integrated emergency whistle and reflective details keep you safe on the trail. The small hiking rucksack is finished with walking pole loops. Features: High tenacity lightweight 210d polymide ripstop  600D lightweight abrasion resistant polyester   TECFOAM performance comfort  STREAMAIR ventilating channels  ISOVENT performance Air Mesh  PFC free durable water repellent finish  Internal hydration storage pocket and drinking tube retainer Wide, dual zip opening panel access to