1 Tensioned Delrin U Frame provides exceptional flexibility at very lightweight. Removable for weight reduction, or folding for most compact transport.
 
2 A close fitting padded back with comfortable breathable 3D Air Mesh.

3 Lightweight, and comfortable 3D Air Mesh ergonomic shoulder straps for the smaller volume Speed Lite 10 & 15. The larger Speed Lite 20 & 30 models are equipped with ergonomic padded shoulder straps, which provide together with the 3D Ar Mesh lining more comfort with heavier loads.

4 Removable waist belt and chest belt.

Mountain running, skitour racing, Adventure racing, alpine sport climbing, simply put everyone who wants to go light and fast has the new Speed Lite series written all over them. Also great for extended trekking trips, a Speed Lite is the perfect summit pack. Extreme light, extreme capacity, extreme comfort and extremely robust don't go together extremely well. When it comes to extremely lightweight equipment, it is of paramount importance that you choose your limits to avoid dangerous situations. Conscious of how and when to use the Speed Lites, their uses are endlessly practical. If you gear up totally with sensible lightweight gear you save an amazing amount of weight, and energy.