Lightweight and compact, the Osprey Tempest 30 is a women's hiking backpack that can take the gear needed for a day's trek. A removable strap can hold a sleeping bag or a ground sheet and Stow-On-The-Go attachments are integrated to take your walking poles without removing the bag. A scratch pocket is provided for storing eyeglasses or valuables, an elastic pocket can accommodate a msartphone on the shoulder strap, and side mesh pockets keep a water bottle handy. The AirScape back panel has comfortable EVA foam padding, and the padded waistband and chest strap provide effective load distribution. Features: Material: 100D x 210D Bluesign Recycled Robic NylonRemovable strap for mat or sleeping bag2 removable straps for ice axeStow-On-The-Go trekking pole attachmentAnti-scratch pocket for glasses and valuablesElastic pocket on shoulder strap for smartphoneStretchy mesh side pockets to keep a water bottle close at handCompatible with Hydraulics hydration systemAirScape injection molded back panel with EVA foam paddingChest strap with emergency whistle / Padded belt with 2 pocketsVolume: 28L (XS-S) and 30L (M-L)Dimensions: 61 x 28 x 25 cmWeight : 1070 g (XS-S) and 1190 g (M-L) Backpack Osprey ---Tempest 30 Stealth Black