• FACT carbon sole uses high modulus, unidirectional carbon fiber and TorsionBox construction to optimize stiffness and weight in our thinnest outsole yet: 12.0 stiffness index
  • Full BG features in outsole and BG+ High Performance Footbed combine to reduce hot spots and improve knee/foot alignment
  • Lightweight Boa® S1-M incremental zonal closure allows on-the-fly adjustments for a dynamic fit; L/R shoe forward rotating to tighten
  • Two independent Boa® dials optimize closure in each zone: Top dial locks the ankle and heel down, while mid-foot dial snugs the arch and forefoot
  • Replaceable high-strength braided steel lace
  • Open-back lace guides for easy on/off
  • Replaceable heel tread with internally recessed bolts for safety
  • Light, tough, and water-resistant Micromatrix upper for supple comfort
  • Ultra-vented tongue for breathability
  • 3-bolt cleat pattern fits Shimano SPD-SL, Look, Time, and Speedplay
  • Approximate weight: 235g (1/2 pair #42)