Alpine backpack suitable for unisex colour blue style sporty capacity 18 litres weight 019 kg height 49 cm width 24 cm depth 17 cm features chest strap emergency whistle water bottle pocket hydration compatible padded back internal pockets valuables pocket inside zip compartment additional fastenings gear attachment points rope fixing straps straps ergonomic shoulder straps padded shoulder strap main compartment feature extra zip access bag featur