K-SWISS Men's Kwicky Blade-Light N Running Shoe 100% Synthetic and mesh Rubber sole Runner's World 'Best Debut' December 2012 Weight: 9.0oz/256g Guideglide dual-density construction featuring Blade-Light cushioning and side drainage Superfoam heel crash pad and footbed Seamfree head-welded seamless upper ionmask hydro-phobic water resistance