These lacy leg warmers have an optional lacing up the back, so they "grow" with your little dancer. Available in both child and adult sizes.

2/sport-weight mohair-type yarn
Size G-6 (4.0 mm) crochet hook or size to obtain gauge
Optional: ¼-inch wide ribbon

Child: Small, medium, large
Adult: One Size

2 reps and 10 rows = 4".

http://www.crochetkitten.com/patterns/bellydance.html