Brooks Men's Flyer Special ATB/Trekking Bicycle Saddle HANDMADE IN ENGLAND-Manufactured using 100 year old traditional techniques and the highest quality materials. PURE COPPER RIVETS-Brooks hand hammered all the pure copper rivets found on the Flyer Special. DOUBLE REAR SPRING- the Flyer Special features two rear springs for an extra layer of comfort during your ride. BLACK STEEL- The rails and frame are made up of hardened black steel for the perfect mix of strength and style. VEGETABLE TANNED LEATHER- Brooks uses only the finest European vegetable tanned leather for their saddles, bags and accessories.