My mom might call it Yoh-seh-mite National Park, but she won't ever be caught unprepared with the full-featured Onyx 75 by Black Diamond. Women's-specific pack. Top-loading main compartment with floating top pocket. Front panel zip pocket provides full access to the main compartment. Front and internal organizer panels help keep your small items tidy. Compartment divider helps keep gear organized. Hydration compatible compartment. ergoACTIV XP suspension features: •OpenAir backpanel. •SwingArm shoulder straps for added stability. •Custom, 3D pivoting hipbelt. •Dynamic load transfer. Side and hipbelt pockets for quick access to gear and snacks. Retractable trekking pole, ice axe loops and sleeping pad straps. Waterproof taping on the top and bottom for added protection and durability. Volume : •SM: 4577 cu in / 75 L. •MD: 4699 cu in / 77 L. Average stock weight : •SM - 4 lbs 12 oz / 2140 g •MD - 4 lbs 14 oz / 2180 g ; Specifications : •Torso: SM - 15.5-18.5 in / 40-47 cm. MD - 17.5-20.5 in / 45-52 cm. •Waist: SM - 30-35 in / 76-89 cm. MD - 34-39 in / 86-99 cm. Materials : •400D polyester twill. •420D nylon twill. Measurements: ; Bottom Width: 9 in ; Middle Width: 12 in ; Top Width: 12 in ; Depth: 13 in ; Height: 28 in ; Strap Length: 36 in ; Strap Drop: 14 1 2 in ; Handle Length: 7 in ; Handle Drop: 2 in ; Weight: 4 lbs 13 oz ; Product measurements were taken using size SM. Please note that measurements may vary by size.