The adidas UltraBOOST DNA sneaker is designed with a sock-like fit that targets support where it's needed most. The full-length Boost midsole enables a responsive energy return in between strides, while significantly reducing shock from harsh impact. Additionally, the 3D heel frame promotes a natural fit that permits necessary Achilles movements. Textile and synthetic upper, textile lining and insole, a rubber outsole. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.