The Dart comes with an excellent 1.5L BPA/BPS/BPF-free polyurethane CamelBak Crux reservoir (which has a stand-alone price of $35/£35 if you were to buy it separately).

The Camelbak Dart is a sleek, minimalist hydration pack that’s designed to bring water on the run without worrying about carrying bottles. The streamlined pack sits snuggly on your back, holding ...