Gregory Maya 25 Backpack | Travel Backpack from Gregory Mountain Products | BioSync flexible hipbelt and shoulder harness that stretch and move with the natural motions of your body.Adjustable torso length that is connected edge to edge to balance the load and provide 3.5" / 9 cm of adjustment.Channeled foam backpanel featuring aerodynamic grooves to promote air movement and keep your back cooler.Perforated, padded shoulder harnesses with flexible edge construction for dynamic, breathable comfort.Large zippered hipbelt pockets large enough to carry your phone and trail essentials.Independent zippered pocket with SpeedClip hydration hanger, compatible with Gregory's Hydro Reservoirs (reservoir not included).Top quick access pocket for easy access to essentialsFront durable stretch mesh stuff pocket.Dual side stretch mesh pockets and side compression to secure external gear.Trekking pole attachment with adjustable upper bungee loops and bottom reflective loop.Front reflective light attachment loop and top reflective gear loops.Custom ComfortGrip molded zipper pulls and molded webbing keepers for strap management.• Weight: 2.02 lbs.Body Dimensions: 20.0" x 11.2" x 9.2"Overall Dimensions: 20.0" x 11.2" x 9.2"