Details''No gimmicks here. The North Face's new X-Radial supsension is the real deal,'' so says Outside Buyer's Guide.For serious commitments to outdoor exploration, The North Face Primero 70 pack carries a full load while complimenting your body's natural movements.X Radial™ suspension uses a tubular X-shaped aluminum frame that pivots, mimicking the body's natural twisting and bending movementsDurable injection-molded EVA foam backpanel promotes breathabilityHighly breathable contoured E-VAP™ hipbelt uses perforated foam, reducing weight and circulating air through air channelsContoured shoulder harness and lumbar panel feature E-VAP perforated foam to reduce weight and circulate air through air channelsSuspension features an adjustable torso length for a customizable fitLightweight, active-cut hipbelt has a three-point closure and cinches with a natural forward pulling motionTop-loading pack has a side zipper for quick access to main compartmentLarge front stretch-woven pocket can secure your jacket and mapsDual-access, stretch-woven side pockets can hold your water bottlesBottom zippered compartment with a trampoline divider separates gear from sleeping bagRemovable floating lid with mesh pocket is great for keys and small essentialsFeatures dual trekking pole loops, a front tool loop, daisy chain and a top lash point for attaching gear externallyDual side compression straps and removable bottom compression straps cinch down the load for jostle-free carryingHydration-compatible design features reservoir pocket and drink tube exit port for on-the-go hydration (reservoir sold separately)Imported.Specifications based on size Medium pack. Size Large specs are below.Specifications for torso / waist and hips / average volume / average metric volume / average weight / average metric weight are as follows:Large - 18 - 21 in. / 35 - 46 in. / 4,600 cu. in. / 75 liters / 5 lbs. 3 oz. / 2.53kg.