I used these on many hikes in snow and ice. On bare ice or uniform hard snow, nothing beats these short of mountaineering crampons. However, on hard snow where the upper layer is melting, which is not rare above treeline in melt-freeze cycles, the antibott becomes a liability. Usually, the antibotts are flat in the crampons, so they never bear weight by themselves. However, on this model, they protrude quite a lot. When there is a top layer of melting snow, they prevent the spikes from gaining purchase and they becomes a plastic sled underfoot as they bear the user's weight.
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