New for 2010, the men’s Cell Fusion comes with an upper made from a combination of full-grain leather and microfibre synthetic leather. The shoe features Puma’s Heel iCell technology, which consists of a system of hexagonal cells that are designed to enhance cushioning and stability. The shoe’s TPU outsole comes with Smart Quill spikes with Fast Twist locking. The Cell Fusion comes with a two-year waterproof guarantee, in White/Snorkel Blue and in sizes 6-11, 12 and 13.