"Takumi Sen" is a Japanese phrase that roughly translates to "artisan of the highest order." The adidas adiZero Takumi Sen racing flat gets this name because it uses premium materials and high-quality construction throughout. Itís designed for the mile to the marathon race distances, with a 6mm heel-to-toe offset. Quick-dry mesh upper with high-quality suede overlays is designed for low weight, a close fit, and supreme flexibility throughout the gait. Forefoot and midfoot adiPRENEģ+ in the midsole provides lightweight cushioning. DSP rubber in the forefoot offers maximized traction with minimal weight. Continental rubber at the heel gives improved traction when cornering. Wt. 6.4 oz.