Women"s Roller Derby V500 adjustable inline skates are meant for girls aged 6 years and above. They"ll fit feet sizes between 6 and 9. These adjustable inline skates have cam-lever buckle closure systems. The shoe uppers are made of PVC and their chassis are made of nylon. These women"s inline skates have reinforced construction with sturdy polyester linings. The skates have 4 cast urethane wheels and heel brakes. Power straps are provided on these adjustable inline skates for ankle support.