Story Performance-driven sneakers to conquer rigorous trails La Sportiva’s Boulder X Approach Hiking Sneakers are high-performance footwear that seamlessly blend cutting-edge technology with rugged charm. Meticulously crafted in a small factory in Italy using decade-old traditions, these hiking sneakers were purpose-built for the rigors of the mountains. Featuring a patented Mythos lacing system for a highly adaptable and customized fit that comfortably wraps around your heel, these sneakers ensure your feet will feel secure from your first step to your last. Plus, the durable Vibram® Idro-Grip V-Smear™ sole provides maximum grip on wet or dry terrain, while the Impact Brake System™ reduces impact forces, making long approaches a breeze. Features Patented Mythos lacing system for a highly adaptable and custom fit Impact Brake System™ reduces impact forces and increases traction High-cushion LaSpEVA layer above the 2mm polypropylene insole to cushion the foot on long approaches Vibram® Idro-Grip V-Smear™ sole that provides maximum grip Made in China Materials Made from recycled or environmentally responsible materials Upper: leather, recycled laces Lining: mesh Outsole: Vibram® rubber Sizing La Sportiva shoes are built on European half sizes which are smaller increments than U.S. sizes so there are more sizes to choose from The Boulder X Approach Hiking Sneakers have a standard fit, so take your regular size in sneakers For the absolute best personal fit, compare your measurements to the chart below Size Chart US Men's Size EU Size 8 40.5 8½ 41 8½+ 41.5 9 42 9½ 42.5 10 43 10½ 43.5 10½+ 44 11 44.5 11½ 45 12 45.5 12½ 46 12½+ 46.5 13 47