Primeknit upper naturally expands with your foot Torsion System in between the heel and forefoot for stability Energy-returning, responsive BOOST midsole Molded heel counter for optimal achilles movement Supportive cage wraps midfoot for additional support StretchWeb technology adapts to the way your foot hits the ground Continental rubber outsole for extraordinary grip against wet and dry conditions The adidas UltraBOOST is importedRunners and sneaker fanatics alike are marveling over the cloud like Boost technology, get ready for the latest update to the famed UltraBOOST. Designed to naturally expand with your foot and adapt to your personal gait cycle, you've never felt technology like this before. With the updated Men's adidas UltraBOOST Running Shoes you'll feel cushioning unlike anything ever before. Gender: male. Age Group: adult.