Get two skates in one! Effortlessly switch between quad roller skates and inline skates. Boots adjust for growing feet, expanding up to four sizes with a simple button press. Comfort liners adapt and can be removed for washing. Enjoy both roller skating and roller blading with these versatile skates. Use two Allen wrenches to change frames. Fits true to children's U.S. shoe sizes, with small sizes adjusting from 12 to 2.