Trekking rucksack suitable for mens colour grey style sporty capacity 50 litres maximum volume 55 weight 18 kg height 71 cm width 36 cm depth 24 cm features padded back hip strap chest strap hydration compatible internal pockets valuables pocket outside pockets side pocket lid pocket additional fastenings ice axe holder walking pole holder rope fixing straps gear attachment points straps compression straps padded shoulder strap ergonomic shoul