PUMA - Cellerator GCi FG (White/Silver/Black) - Men's: For firm natural surfaces. Equipped with enhanced performance features including Powerframe for kicking stamina and the e+Cell for cushioning. Ultrathin Pittards 80 SD Lite leather upper with a quilted vamp and microfiber ankle lining. Powerframe technology utilizes highly tensile polyamide fibers to prevent recoil of the foot and the negative effects of vibration, especially the loss of power due to foot fatigue. Powerframe construction locks the foot like a seatbelt consequently providing a unique tight and comfortable fit. Lightweight Pebax/PU injected bi-density outsole with e+Cell developed to address the weaknesses of a foam midsole. The Cell system has a structural array designed to ensure cushioning, stability and durability over the life of the shoe. Ground Control stud configuration design, featuring bio-mechanically and anatomically proven stud positioning to evenly distribute pressure under a variety of conditions. Utilizes "double-headed" studs designed for penetration without ground locking. DuoFlex technology provides superior outsole flexibility that mirrors and supports the foot's natural movement. Anatomic C fit. Shoe weighs 10.8 oz.