SummitRocket™ 40 Backpack
SummitRocket™ 40 Backpack
Style #1501601
SummitRocket™ 40 Backpack
  • M
  • L

A low-weight, high-function climbing pack, custom-designed for speed-Alpinist Ueli Steck. A high volume pack designed for moving fast on rock and snow. The lightest pack of its volume, removable components can be quickly and easily reconfigured based on climbing needs. Suspension elements can be removed to reduce weight even further. Comfortable dual-density shoulder straps and rigid suspension maintain great weight distribution for heavy loads. Removable compression straps keep pack compact for optimal mobility.


  • Efficient minimalist suspension carries comfortably and has removable components (framesheet, hipbelt and 48in. x 20in. pad) to go from superlight to ultralight weight
  • Comfortable, low profile shoulder straps with dual density foam to distribute weight effectively
  • Convenient zip top access main compartment plus easy access zip top pocket
  • Versatile compression system secures climbing gear and overloads, but can be removed to reduce weight
  • Multiple tool and gear carrying options: dual ice axe cradles and daisy chains plus horizontal daisies on lower sides of pack
  • Large front and rear grab handles are clip secure
  • Alpine or FitLock hipbelts are compatible with the adaptable lumbar for heavier loads

The Basics

For the expedition alpinist pushing the limits in need of a superlight, high-performance pack with good versatility and volume.

  • Medium 2440 cu. in. / 40 L
  • Large 2750 cu. in. / 45 L
  • Medium 1 lb. 12 oz. / 805 g.
  • Large 1 lb. 14 oz. / 860 g.


  • Body 100D HT Ripstop Dobby Nylon
  •   100% nylon
  • Accent HardWear™ X-Ply Ripstop
  • Bottom HardWear™ X-Ply Ripstop


    Torso Range
  • Medium 17.0 in. - 20.0 in. / 43 cm - 51 cm
  • Large 19.5 in. - 22.5 in. / 50 cm - 57 cm


Backpack Manual