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 & 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 & 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 & behind the knees for increased airflow. Zipper pockets for security of essentials. Stabilization pocket to store device or tool. Articulated knee for enhanced fit & movement.