Leather sole The rubber gum sole adds a retro look and durable traction. The variety of leathers add depth, durability and let you wear your style from uptown to downtown. The "NIKE" on the heel and bold Swoosh add heritage styling. The Nike Killshot 2 updates the upper with a variety of textured leathers to create a fresh look. It's court-side attitude with a modern touch Inspired by the original low-profile tennis shoe, the Nike Killshot 2 updates the upper with a variety of textured leathers to create a fresh look. From soft suedes to smooth leathers with the perfect sheen, it's court-side attitude with a modern touch. To prove you're on top, the rubber gum sole adds the cherry on bottom.