A sturdy staple, the Women&';s Session 8L is a lightweight, compact hydration pack with dedicated storage for trail essentials. An updated recycled poly outer is rugged and sustainable, and the women&';s specific fit of this lightweight pack ensures minimal shifting and evenly distributed weight, while the breathable air flow back panel and shoulder straps keep you cool on the trail by minimizing hot spots. The Women&';s Session stores two liters of vertical hydration, features a dedicated fleece-lined pocket for sunglasses, internal organizer pockets, and an integrated rescue whistle on the sternum strap. FEATURES Women&';s Specific Fit 2L / 70oz HydrapakA(R) reservoir Phaser bite valve Breathable Air Flow backpanel and shoulder straps External attachment straps Fleece lined sunglass pocket Internal organizer pockets Safety light attachment Integrated rescue whistle / sternum strap MATERIAL S100% 450D ripstop recycled polyester (rPET) exterior DIMENSIONS 488 cubic inches [ 8L ] 15.5 x 8.5 x 4" [ 39 x 22 x 10cm ] 1.2 lbs. [ .5kg ]