100% r core x shortsif you race downhill and enduro or simply love to ride mountain bike trails at full speed, you need lightweight, breathable and flexible kit you can trust. Enter the 100% r core x shorts. 100% take their standard r core shorts and refine them with weight saving materials and technology to create the race ready, hard charging, r core x shorts. A 4 way stretch woven fabric delivers outstanding flexibility just what you need when reacting quickly to ever changing grip and terrain. The fit is also honed for an attacking riding position, ensuring unhindered movement. At the waist, a lightweight boareg fit system lets you dial in the fit with incredible ease. A simple twist of the boa dial allows incremental adjustment to get the fit just right. And inside the waistband, a silicone gripper prevents any unwanted on trail slippage when you're getting fast and loose.once you're up to speed, the laser cut perforations on the inseam and behind the knees give a boost to airflow, keeping you cool on your ride. Zipped pockets allow storage for your essentials, with a stabilisation pocket present for the secure storage of a device or tool. Featuresmaterials 90% polyester, 5% elastane, 5% polyamidedwr polyester spandex 4 way stretch woven fabric for increased comfortboareg fit system dial and lace technology for a lightweight, incrementally adjustable waist closure for the ideal fitsilicone print on inner waistband to minimize slippagelaser perforations in the inseam and behind the knees for increased airflowzipper pockets for security of essentialsstabilization pocket to store device or toolbuy 100% clothing from chain reaction cycles, the world's largest online bike store.