it’s suitable for use over open flames including on a double burner stove

giving you additional loft – ideal for side-sleepers with broad shoulders

Made from durable and weatherproof waxed cotton

packs small

perfect every time

sirrus 36 Size:36L it’s suitable for use overTop loading capacity for big adventures For the biggest days in the hills or light overnights where you want a traditional lidded pack, the Sirrus 36 delivers, with Osprey's proven AirSpeed suspension. You get a top loading main compartment with buckled closure and fixed top lid, zippered bottom access to a separate collapsible compartment, and removable webbing straps for extra kit. The tensioned mesh backpanel adds comfort and ventilation that gap