<ul><li>Sportiva used a 3.0mm Idro-Perwanger leather upper for classic mountain boot performance and fit.</li><li>This is a full steel shank boot that will accept an automatic crampon and kick steps in snow all day without a crampon if needed.</li><li>The protective Vibram&reg rubber rand adds excellent toe protection and the EZ rollerball hardware makes these boots easy to lace up.</li><li>IDEAL TERRAIN: general mountaineering and heavy backpacking</li></ul><br><br>La Sportiva used a 3.0mm Idro-Perwanger leather upper for classic mountain boot performance and fit. This is a full steel shank boot that will accept an automatic crampon and kick steps in snow all day without a crampon if needed. The protective Vibram rubber rand adds excellent toe protection and the EZ rollerball hardware makes these boots easy to lace up.

La Sportiva Makalu Mountaineering Boot - Men\'s Natural 45