ULTRA DURABLE: These quad skates are man-made using a vinyl material that creates a strong but flexible skate boot. The skates have a die cast aluminum plate with strong metal trucks for optimal support COMFORTABLE FIT: These adjustable roller skates for men and women have an easy lace system, padded tongue, and a Velcro cinch strap that allow for easy adjustments and provide a comfortable precision fit. Check the size chart before making your purchase SMOOTHEST RIDE POSSIBLE: Indoor roller skates women and men can depend on, the Dart features ABEC-5 ball bearings designed to roll exceptionally smooth. These skates' polished, chromed steel ball bearings minimize friction to give you the best ride DESIGNED WITH SAFETY IN MIND: These traditional roller shoes are designed with safety in mind. The boot has a low, yet precision fit for optimal ankle support and the Velcro cinch strap helps secure the foot in the boot while skating VERSATILE: These quad skates also have tough 62mm, 93A hardness polyurethane wheels that are designed to provide extra grip. These wheels match the color of your boot, making them eye-catching as they provide a smooth, easy ride on any surface