R-Core X elevates our standard R-Core collection of DH/Enduro riding gear to the next level. 4-way stretch materials along with additional weight saving materials and treatments result in our lightest weight, highest performing line of riding apparel. FEATURES DWR polyester/spandex 4-way stretch woven fabric for increased comfort. Boa System dial and lace technology for a lightweight, incrementally adjustable waist closure for the ideal fit. Silicone heat transfer graphics. Silicone print on inner waistband to minimize slippage. Laser perforations on inseam and behind the knees for increased airflow. Zipper pockets for security of essentials. Stabilization pocket to store device or tool. Articulated knee for improved fit and movement.