We recommend your normal shoe size for this modelsynthetic upper with padded tongue and collar for optimal comfort and protectionpower strap and elastic gore closure for a secure fit3d logodurable rubber sole with lightweight eva midsoleabrasion resistant brake pad2x2 wheelsabec 3 bearingsideal for beginners or younger children the dual up is a great choice due to the 2x2 wheel system with a lively rainbow resign this colourway is perfect for anyone who likes colour