I came across this and bought it on a whim to try out (I really have to stop doing this). It's a pretty unique design with an external frame that is contoured and small and largely fits into sleeves on the pack rather than using clevis pins. On the downside, it loses the ability to lash stuff onto a bigger frame. Anybody have experience with this pack?
- Very lightweight, with a sleek design similar to internal frames but with the carrying capacity and load support found on most external frame packs
- Shaving weight is the hidden frame--a small diameter, high alloy tube with a unique hourglass shape for unhindered motion
- Levitator™ carbon fiber device transfers weight from pack to hipbelt for increased support with uniform belt pressure and correct angle
- Contoured waistbelt, anatomically curved shoulder straps, load-lifter straps and sternum strap are fully adjustable for the perfect torso and hip fit
- Suspension features BROCK™ 3D air-circulating foam, wicking spacer-mesh and a sprung mesh band panel for an unbelievable cooling effect
- No-hole, full-strength packbag attachment eliminates use of clevis pins for weight saving plus no snagging and jingling
- Two large (500 cu. in. each) side pockets are perfect for longer hauls and are removable to lighten the load on short weekend trips
- Lid features a large top pocket, a valuables pocket underneath flap and a map pocket directly behind head that allows access while walking
- Front mesh wet pouch has a bungee compression system and is ideal for carrying wet items; remove and webbing straps allow use as a daypack
- Big, deep mesh water bottle side pocket, two ice axe loops and three daisy chains allow attaching and lashing of bulky, quick-access gear
- Sleeping bag hatch at bottom of pack allows access to lower end of pack without the use of heavy zippers
- Main packbag is made of nylon microfiber and 215-denier Spectra® Hardline® fabric with a tough 500-denier Cordura® nylon bottom
- Stripped down average weight is 4 lbs. 11 oz.; complete pack average weight is 6 lbs. 11 oz.
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http://www.trailspace.com/gear/kelty...iversary-pack/
http://www.outdoorreview.com/cat/pro...2_2958crx.aspx