XLS Extra is a smooth flexible rope that is lighter weight than double braid polyesters, resulting is better performance than at a better value than high-performance ropes. Fiber: MFP Dyneema blend core, polyester cover (3 ends per carrier) Standard Color: navy blue with red, green, blue, or beige color tracers CONSTRUCTION: Core-dependent double braid. COVER: 24 Strand Polyester with 3 ends per carrier. CORE: MFP and Dyneema blend. Competition Grade Running Rigging.