Puma Fast-R NITRO Elite 2 Puma's latest race-day shoe, the Fast-R NITRO Elite 2, is crafted for peak performance. Enhanced with NITRO ELITE and PWRPlate technologies, it provides superior cushioning and an energizing sensation. With a cushioned heel for stability and a responsive forefoot for propulsion, this shoe ensures a comfortable fit. Made with lightweight Ultraweave material and PWRTape support, it's the ideal choice for any race. Cushion: High | Support: NeutralHeel-to-Toe Drop: 8mm (40mm | 32mm)Weight: 7.4 oz (Women's) | 8.5 oz (Men's) Product Features NITRO ELITE Foam - Delivers great responsiveness within an exceptionally lightweight design. Ultraweave upper: Upper made of a single piece with carbon fiber threads woven in. PWRTape: Strategically positioned targeted reinforcement enhances upper body durability in high-pressure areas. PumaGrip - Rubber provides multi-surface traction for a smooth and effortless run. PWRPlate - Running plate engineered to enhance support and boost running efficiency.