Riedell Ruby Ice Skates The Riedell Ruby features synthetic reinforcements and light support for enjoyment on the ice. This skate set also offers a modern ergonomic toe fit for out-of-the-box comfort. The plush hand-rolled collar provides relief to the Achilles tendon and a flex notch design facilitates proper knee and ankle bend. Beyond the technical features, each skate is adorned with faux crystals in the backstay and a decorative gem lace bar for added sparkle on the ice.