Impala Roller Skates are made from high quality components, so you can feel good skating the streets or rink with your girl gang. Also, this is a PETA-approved vegan product! Features: 58mm 82A durometer nylon core urethane wheels and ABEC 7 bearings - Aluminum alloy trucks and baseplate. PVC Upper, heel and sole, PU brake stopper - Lace lengths: Size 1-7 = 195cm, Size 8-14 = 215cm.