This is a decent amount to spend to get some free socks, but there are good offers on the Papinelle website

Papinelle - FREE pair of Papinelle Pink Bed Socks with every order over $50
Papinelle Sleepwear and Petite Papinelle: Pyjamas, Sleepwear and Slippers

I think these are the socks:
Long Bed Socks Pink

These handy and warm cotton nylon elastine socks will be an essential this winter! Perfect for under boots or around the house, these socks can be worn pulled up or rouched. The chunky cream cuff contrasts the marled pink sock.
One size fits most.

Price: $18.00