Give them room to learn and level up. These Roller Derby 2-in-1 combo skates switch between quad and inline setups, so beginners can start stable and progress to faster skating. The adjustable boot grows with your child (fits Boys 3?6) and stays comfy and supportive for longer sessions. 2 skates in 1: easily swap between quad and inline Adjustable sizing: Boys 3?6 for a longer fit window Comfy, supportive boots?great for new skaters Urethane wheels roll smooth indoors or outdoors with Silver-5 bearings Quad: real trucks for control Inline: non-marking right-foot brake for confident stopping Perfect for neighborhood cruises, rink days, and skill progression. (Helmet and pads recommended.)