Borrowing from its predecessor, the 2nd version of the GEL-Fit Sana; keeps the same fitness focused sole geometry with the addition of a FluidFit printed upper. The MONO-SOCK tongue Flexible Fit System features elastic bands that provide tension and support from heel to forefoot. The Rearfoot GEL Cushioning System combines with the lightweight flexible midsole to provide excellent cushioning. Breaking a sweat has never been so comfortable. Weight: 5.4 oz. Heel Height: 17mm. Forefoot Height: 8mm.