Trekking rucksack suitable for mens colours black grey style sporty capacity 105 litres weight 249 kg height 94 cm width 40 cm depth 42 cm features chest strap hip strap padded back emergency whistle hydration compatible water bottle pocket internal pockets inside zip compartment outside pockets front pocket mesh side pockets base compartment side pocket additional fastenings walking pole holder ice axe holder ski attachment straps padded hip b