5th Element B2-100 Adjustable Kids Recreational Inline Skates, Black and Green Rollerblades Perfect Skates for Beginners - Comfortable and easy to learn on as skill set grows to become a more advanced skater. Comfortable Soft Boot Construction - Keeps you on your feet longer, the soft boot construction with traditional laces provides a lightweight feel as you roll. Adjustable Sizing - Allows wheel size to grow: 12-1 (64mm), 2-4 (70mm), 5-8 (74mm). Recreational Closure System - Buckle, Velcro Strap and Laces are all put in place to ensure stability and support while skating. Composite Frame Material - Lightweight construction makes skating less fatiguing allowing for longer skate sessions.