5-Pack Disney Frozen Girls No Show Socks, Assorted Neutral – Frozen 2, Size 6-8.5 $4.21 + Free Shipping w/ Prime or on $35+

Amazon has Disney Frozen Girls 5 Pack No Show Socks, Assorted Neutral – Frozen 2, Fits Sock Size 6-8.5 Fits Shoe Size 7.5-3.5 on sale for $4.21.
Shipping is free w/ Prime or on $25+ or $35+ orders (minimum requirement varies by location).