sirrus 37 medium grey Colour:Medium Grey 1% LYCRA® Spandex

1% LYCRA® Spandex

Double-wall vacuum insulation for 24hr temperature control

vented strap padding

you can expand it up to 45 litres when you’re allowed a bigger bag – or compress it down to a more compact 30-litre daypack

Weight: 220 g

sirrus 37 medium grey Colour:Medium Grey 1% LYCRA® SpandexTop 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