UPPER TECHNOLOGY:
• Synthetic upper
• Air mesh
• S257 Cushsole
• Removable EVA Sockliner
• Thermoplastic heel counter
• 360° 3M® reflective
MIDSOLE/OUTSOLE TECHNOLOGY:
• HydroFlow® ST
• Forefoot HydroFlow®
• S257 Rearfoot
• S257 Forefoot Strike Pad
• Internal DRB™ Accel
• Cushpod Configuration
• Sponge rubber forefoot
• HPR Strike Pad
• Crumple Zone