Skates that just keep on growing.

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Remember when you were a kid and your mother insisted on buying your clothes a size too big, with the promise that "You'll grow into them," or when your hand-me-down skates were so large that you had to wear three pairs of socks just to be able to play hockey with your friends?

Modern technology has given us everything else--why not in-line skates that grow with the wearer. Try on for size the Microblade XT from Rollerblade, Bordentown, N.J., which adjusts its size at the push of a button. Rollerblade's proprietary extendible design allows each of the three XT skates to be adjusted three or four full sizes--12-2, 2-5, and 4-7. Since kids' shoe sizes change once or twice a year...