The Sirrus series offers women"s fit in a ventilated technical day pack. Women"s harness, hipbelt and tree torso sizes provide superb sizing and comfort, and are complimented by great colors and graphics. The Sirrus 24 is a great pack for day hiking and peak bagging. Also features large panel access, single ice axe attachment, 2x zippered mesh hipbelt pockets, 2 side mesh woven pockets with insideout compression, upper side compression straps, integrated rain cover, stretch woven backpanel, stow on the go trekking pole attachment, and is also hydration compatible.