<!--ProdInc[300281135]/Mall:[backcountry_US]-->La Sportiva''s Makalu Mountaineering Boot delivers peak performance with classic style, whether we''re grabbing one of the tallest summits in the world or trekking into the backcountry under a heavy pack. The full-length steel shank and resilient cushioning stabilize and soften our steps, keeping our feet spry and morale high as we push through grit-building conditions. When ice tries to stand in our way, the rugged sole bites hard and welcomes crampons. <h3>Details</h3> Traditional mountaineering boot for rugged missions Leather upper delivers durability and extreme water resistance Removable EZ Flex tongue doesn''t pinch or bunch Step-in crampon compatibility for glacier travel Burly mountain-ready sole delivers hardwearing traction Flexible midsole provides long-lasting shock absorption Steel shank stabilizes your stride over technical terrain Item runs small, so we recommend sizing up for best fit Item #LSPZ2FW <h3>Tech Specs</h3> Upper Material : [face fabric] Idro-Perwanger roughout leather, [rand] Vibram rubber Insulation : none Lining : Dry-Best Closure : lace Last : Makalu Footbed : 8mm MtnFlex Midsole : SBR Aircushion, 1.5mm Dacromet-coated full steel shank Sole : Skywalk MPE Style : mountaineering single boot Crampon Compatibility : step-in Claimed Weight : [single] 2lb 2.6oz Manufacturer Warranty : 1 year Activity : mountaineering, backpacking