From Pattern Description
These fanciful socks are knitted straight on two needles and then seamed up the sides. The ballet ‘tight’ is knitted in extra fine merino wool, and the ballet ‘shoe’ is an ultra-soft polyester novelty yarn with a plush texture.

Additional yarn notes:
This pattern uses
2 x 1 3/4oz (50g) balls of light weight (DK) extra fine merino wool yarn in white
1 x 1 3/4oz (50g) ball of light weight (DK) polyester yarn in pink

Notions:
3ft (1m) pink ric-rac trimming
6ft (2m) pink satin ribbon