22 ultra durable push-through replaceable carbide spikes for ice-biting, on-demand traction; Lightweight, minimal and supportive for winter running; BOA-Fit: Dial in the perfect fitand adjust on the fly when needed; The BOA L6 lacing system wraps from all angles; The BOA components are guaranteed for life; The cleat system is backed by Korkers Rock Solid Guarantee; This product is made to last no matter where your next run may take you; Black/Grey Color