Lake Placid XTS 600 Boys Interchangeable/Adjustable Skate Push button adjustable molded boot construction with 2 cam lever buckle closure system. Adjustable to accommodate multiple shoe sizes: Small fits sizes 12-2 and Medium fits sizes 2-5. Deluxe comfort liner Unique interchangeable design allows you to switch between an ice skate and an inline skate Stainless steel blade Reinforced polymer frame with polyurethane wheels and G-Force 608ZB bearings