Available sizes: 5,6,12 kid,13 kid,1 kid,2 kid,3 kid,7,4 kid. Heelys Roller shoes REZERVE LOW Available in girl's sizes. by Heelys. Shoes that allow you to roll through life without needing a skateboard, that's the innovative concept from Heelys! The secret? A wheel is integrated under the rubber sole of this model. Their fabric lining and fabric insole make for a comfortable fit. The Rezerve Low has a synthetic upper in silver: that's how to have style while practising your moves!