Insulated, waterproof, lightweight mountaineering boot for single day ice and high alpine objectives. Putting one boot on a scale reads 1 pound 15 oz (fairly light). They have toe welts so will take step-n crampons and this works well with my Petzl Vasaks. The boots have had less than 10 miles - they're just way too narrow for me and cause blisters so I've bought some Scarpas as replacements. These La Sportiva boots list for $475 new. I'm selling for $250. A great deal for some excellent hardly used boots. Located on the front range.