Trekking rucksack suitable for unisex colour grey style sporty capacity 48 litres weight 175 kg height 80 cm width 33 cm depth 31 cm features raincover hydration compatible emergency whistle chest strap hip strap padded back internal pockets valuables pocket outside pockets lid pocket base compartment additional fastenings walking pole holder straps ergonomic shoulder straps padded shoulder strap compression straps material synthetic fiber mat