adidas Solar Glide Women's Running Shoes Tech Indigo/White/Purple Tint : Introducing the evolution of BOOST technology with the adidasA(R) SOLARGLIDE running shoes. This comfort and performance-focused design features a SOLAR PROPULSION RAIL that workd with the energized boost to provide a smooth, responsive run. ENGINEERED MESH upper fabric gives runners an adaptive fit around the foot and supreme flexibility, breathability, and overall comfort. Shoe Technology Upper: ENGINEERED MESH upper around the forefoot provides breathability, flexible comfort and medial support. A supportive heel FIT COUNTER enables the free movement of the Achilles tendon. Midsole: Full-length BOOSTA(R) midsole provides unmatched energy return and superior cushioning. TORSIONA(R) SYSTEM provides stability and propulsion throughout the midfoot phase of the gait cycle. Outsole: STRETCHWEB with CONTINENTAL(TM) rubber outsole with superior grip that adapts to every runner's foot strike by moving in harmony with boost to provide a smoother and more flexible ride.