Trekking rucksack suitable for mens colour green style sporty capacity 58 litres weight 21 kg height 73 cm width 40 cm depth 30 cm features hydration compatible raincover emergency whistle chest strap internal pockets valuables pocket outside pockets lid pocket mesh side pockets front pocket additional fastenings walking pole holder ice axe holder straps padded hip belt ergonomic shoulder straps padded shoulder strap compression straps material