"A sleek design with ample carrying capacity, the Gregory Maya 30 Backpack for Ladies handles the gear you need for the trail without ever getting in your way. Built with the BioSync suspension system that stretches and moves with your body, this Gregory backpack keeps you agile and free on the trail. This system combines a breathable back panel made of 3D perforated ethylene vinyl acetate (EVA) foam, while an elasticized shoulder harness and body-hugging hip belt provide a snug, stable ride. Built for day hikes, this pack includes a dedicated zip-close hydration pocket outfitted with Gregory's SpeedClip hydration hanger (reservoir not included). This Gregory women's backpack also features 2 phone-friendly zip-close hip-belt pockets, dual side stretch-mesh pockets, a front vertical zip-close pocket, and a top quick-access pocket to keep all your essentials secure and easy to access. Trekking pole attachment with bungee closure system secure poles when you don't need them, and reflective loops as well as a light loop provide visibility in low-light conditions. The durable construction starts with 100- and 210-denier nylon for the body and 210-denier nylon on the bottom, while the lining is 135-denier polyester. The use of recycled materials delivers an environmentally-friendly edge. Durable water-repellent (DWR) finish sheds moisture. Finished with custom ComfortGrip molded zipper pulls and molded webbing keepers to keep straps from flapping around. Adjustable torso. Adventure more with the Gregory Maya 30 Backpack for women.Manufacturer model #: 145281. 100% nylon construction with a polyester lining uses some recycled materials BioSync dynamic suspension system stretches and moves with your body Breathable back panel made of perforated 3D EVA foam Female-specific, die-cut BioSync shoulder harness Body-hugging, adjustable hip belt DWR finish sheds moisture Zip-close hydration pocket with a reservoir hanger Trekking pole attachment with bungee closure system 2 phone-friendly zip-close hip-belt pockets Dual side stretch-mesh pockets Front vertical zip-close pocket Top quick-access pocket Reflective gear loops and light loops Molded zipper pulls Webbing strap keepersSpecs: 21""H x 11.2""W x 9.5""D Torso Range: 14""19"" Waist Range: 27""45"" Volume: 1,831 cu. in./30L Weight: 2.04 lbs. Max Carry Weight: 30 lbs."