Hiking never felt better. Every ingredient in these shoes aims for comfort on long-distance hikes. The sock-like build and Adidas Primeknit upper hug your foot for an adaptive, snug feel with every step. A sturdy heel cap and midsole stiffener give a natural flex while delivering stable footing. Traction on slick surfaces - Continental Rubber outsole for extraordinary grip even in wet conditions. Adaptive grip - The Continental Rubber outsole combines with a responsive midsole for all-terrain traction. Endless energy - Boost is our most responsive cushioning ever, delivering incredible energy return: The more energy you give, the more you get. Durability - Abrasion-resistant reinforcements and molded toe cap protect your feet for a confident stride.