The Roller Derby(R) Boys' V-Tech 500 Adjustable Inline Skates are great for growing kids because they easily resize for a perfect fit and last years. The V-Tech 500 Skates feature soft, comfort padding and a soft boot support system for confident and comfortable skating. The push button is simple to use and offers sizes 6-9. With three cam lever buckles, these skates stay secure. FEATURES: Adjustable fit Comfortable padding with a soft boot support system Triple cam lever buckles for a locked in fit Easy to use push button for adjustable sizing Durable reinforced nylon frame Bearings: ABEC 7 Wheel: 76mm urethane speed formula Manufacturer's 90-day warranty