The Giordana Performance Silverline Super Roubaix Arm Warmers use a sophisticated pattern of panels to give you a quality of fit you"d never get out of a monotube design, which is what you ordinarily see out of arm warmers. Ergonomics is what the Silverline is all about. The Silverline is dubbed "Performance", a step down from Giordana"s cost-is-no-object Body Clone line of apparel, though they"re still as form-fitting and still utilize warm, plush, brushed on the inside, smooth on the outside Super Roubaix fabric. The difference is fewer panels and traditional grippers at the top and soft elastic at the bottom. There are left and right warmers. The reflective Giordana logos are supposed to go on your forearms. The panels are held together via comfortable flatlock stitching. Product FeaturesMaterial: Super RoubaixCuff Closure: elasticRecommended Use: road cyclingManufacturer Warranty: