La SportivaLa Sportiva - Boulder X

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Please click for the La Sportiva Size Conversion. ; Get a grip on things with the Boulder X. This approach shoe is designed for the highest performance for any mountaineer. ; Leather upper for durability. ; Padded collar for all-day comfort. ; Unique detail stitching for style. ; Mesh lining for breathability (in the tongue and heel only). ; Polyproylene insole and Micropore EVA midsole for cushioning. ; Rubber toe guard offers durable protection. ; La Sportiva's Impact Brake System™ proprietary technology in outsole design has the lugs of the soles oriented in opposing slanted directions, increasing braking power by an average of 20% and decreasing impact forces by an average of 20%. ; Vibram® Idro-Grip sole stays sticky on every type of rock even when wet. Measurements: ; Weight: 1 lb 4 oz ; Product measurements were taken using size 45.5 (US Men's 12), width D - Medium. Please note that measurements may vary by size. ; Weight of footwear is based on a single item, not a pair.