Gain traction and save pack weight with Kahtool's KTS Aluminum Crampons. With 7075 Aircraft Aluminum, their durability will give you added traction across a wide variety of icy and snowy terrain yet keep your pack (and feet) light as they weigh a mere 19 ounces per pair. These aluminum crampons won't be pack hogs, either - they fold down to a compact 3.5 x 3.5 x 8 inches, meaning you have plenty of room for freeze dried meals,camera gear and all the other things that make your days outside worthwhile.