Lightest performance tennis shoe in the K-Swiss range, this is a version of the Bigshot 2 with a few less features Outsole ideal for playing outdoors High density outsole for durability Durawrap Light on the upper increases durability for high wear areas K-EVA midsole improves cushioning & fit Drag Guard in the heel & toe gives abrasion-resistance 180 PSC Plantar enhances mid-foot & heel stability Flow Cool System increases breathability & moisture management to keep your feet cool Y-Beam midfoot gives structure to the arch area