Trekking rucksack suitable for unisex colour blue style sporty capacity 50 litres weight 114 kg features chest strap hip strap hydration compatible waterproof zips internal pockets inside zip compartment mesh pocket outside pockets side pocket lid pocket additional fastenings bungee cord ice axe holder walking pole holder straps padded hip belt ergonomic shoulder straps padded shoulder strap main compartment feature extra zip access material syntheti