50% True to size
67% Felt narrower than marked
100% Moderate arch support
- View the size chart
- Please click here for the La Sportiva Size Conversion.
- SKU: #9158444
- 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.
- Ideal terrain: Approach and hiking on technical terrain requiring friction footwork.
- Padded collar for all-day comfort.
- Unique detail stitching for style.
- Rubber toe guard offers durable protection.
- Mesh lining for breathability (in the tongue and heel only).
- High-cushion LaSpEVA layer above the 2mm polypropylene insole cushions the foot on long approaches.
- Micropore EVA midsole for cushioning.
- 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.
- 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.
- Weight: 1 lb 4 oz
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