The K-Swiss Kwicky Blade-Light Running Shoe is an innovative light-weight running shoe featuring Blade-Light technology and stability enhancement. 9.0oz, 256.23g. · Guideglide dual-density construction featuring Blade-Light cushioning and side drainage. · Superfoam heel crash pad and footbed. · Aosta II heel outsole and Duraplush forefoot outsole. · Dynamic TPU arch support and 3D medial posting for enhanced stability. · Seamfree technology heat welded seamless upper for total comfort. · Ion Mask hydro-phobic technology for state of the art water resistance.