Kick into sixth gear with ULTRA 6.. Perfect for up-and-coming speed merchants, this version of ULTRA features an updated, engineered mesh upper, PUMA's SPEEDSYSTEM outsole, and FastTrax stud design for multidirectional traction. Three rounded studs on the lateral side let you switch between firm ground and artificial grass. Nothing extra. Everything ULTRA.. Features & Benefits:. Acceleration: PUMA's SPEEDSYSTEM outsole design combines a high-performance fiber base material with an external heel counter and a revolutionary stud system to maximize energy return for faster acceleration. Traction: PUMA's proprietary FastTrax studs are complemented with more rounded studs on lateral side for the most optimal traction on both firm ground and artificial grass. The upper of the shoes is made with at least 30% recycled materials.. Details:. Width: Regular. Toe Type: Rounded. Fastener: Laces. Lightweight support frame stabilizes the foot inside of the boot to enable rapid changes of direction. Heel type: Flat. Lightweight mesh upper material. GripControl skin for decisive command over the ball. Surface: Firm Ground/Artificial Ground. PUMA branding details. Material Information:. Sockliner: 100% Textile. Outsole: 100% Synthetic. Upper: 87.20% Synthetic, 12.80% Textile. Lining: 65.40% Textile, 34.60% Synthetic