RST R-18 Leather Pants Black Knee Sliders Included.RST 2018 R 18 Leather Pants Weve stripped out the frills but kept the core RST features of top quality leather, triple stitched bonded nylon threaded seams and a suite of CE armour on the R 18 to offer an amazing value leather pant. The R 18 is cut for the road, therefore is a very comfortable and functional motorcycle pant that wont let you down. The R 18 pant's use our standard joining zip so they can be easily paired with any RST leather or textile