The X41 HiSpeed II has a unique contour shape that tapers at both the top and the bottom, giving the pack an excellent close-to-the-body ride. The pack is fully compressible with pairs of side-mounted compression straps that draw the load upward to optimally position the packs contents over the wearers center-of-gravity. The X41 has two generously sized form-following pockets on the exterior of the upper and lower front flaps. MOLLE-10 lightweight webbing is used, to which you can attach conventional 25mm MOLLE accessories. The interior features include a hydration sleeve (WX2L and WXP3L hydration systems sold separately), two document / laptop sleeves, a mesh zippered pocke Mfg: Eberlestock